@sayanee123: Rena is the same age as she is now.
@Sherin: Yep the one who passed the test becomes Jurina's little "toy" who she can use in any way she chooses~

Well here's the next update guys. Hope you like it!
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Chapter 2
The next morning Rena woke up to a heavy feeling on her chest. She opened her eyes and saw Jurina staring right at her with a very luscious gaze. Rena couldn't help blush a little as Jurina giggled and sat back up.
"You look really pretty when you sleep." she said.
Rena looked outside and saw it was morning already. She didn't know the exact time but before she could figure it out, Jurina pulled her off the bed and said,
"I'm hungry. Let's go eat!"
Jurina led Rena down to the dining room where there were maids and butlers running around preparing everything for the young mistress. At the table there were already some people sitting. There was the captain and the dungeon master and two others Rena had not yet seen. Jurina took her seat and then had a chair pulled up for her right next to her. Rena took a seat and soon after the food came out and was served on nice plates. Rena herself was starved since she had not eaten anything since she had arrived so she was looking forward to eating a nice meal. However when the maids pulled up the cover to reveal what was to eat she felt her stomach turn. There on the plate was a slab of meat that didn't even looked cook and the blood was still there. It was black blood and along with it there were some vegetables that looked somewhat edible. Rena quickly grabbed them and placed a piece of carrot in her mouth. However as soon as the food touched her tongue, she almost gagged and spat it out. She didn't want to be rude though so she managed to swallow it.
She couldn't believe how bitter it tasted and not to mention vile. It was something she knew her stomach wasn't going to be able to handle so she set her fork down and just kept drinking water for the time being. When Jurina asked why she wasn't eating she simply replied by saying she wasn't hungry. As they were eating Jurina suddenly paused to introduce everyone.
"Rena you've already met captain Kashiwagi Yuki. She leads the military here and is a very powerful and sometimes scary captain. Yuki this is Rena. She's my new assistant so be nice to her!"
"It's a pleasure to meet you." she said in a gentle tone.
"You've also met the dungeon master Watanabe Mayu. Yuki and Mayu are sisters despite their names being different. They were separated a long time ago and now they're back together! Mayu is in charge of the prisoners and also the executions so be careful around her. Mayu this is Rena so you are not allowed to kill her!"
"Nice to meet you!" Mayu said in a very happy tone.
"The one next to Mayu is Maeda Atsuko who is the medical doctor here. If you're ever feeling bad go to her and she'll fix you right up! Atsuko this is Rena so treat her nicely."
"You can call me Acchan." she said.
"Then last but not least, the one next to Yuki is Itano Tomomi. She's the weapons master but also a major fashion diva. Tomochin this is Rena!"
"You have very nice skin. I have outfits that would go perfectly for you." she said.
"Well that's everyone here that you should be concerned about. I made sure that they will all treat you nicely. If they cause you any problems you tell me and I'll handle them personally."
Jurina gave them all a dark glare which caused all of them to get a little tense. Then she finished her meal and grabbed Rena's hand.
"Let's go play Rena-chan!"
Jurina led Rena outside to a large garden filled with all kinds of flowers. It was a very beautiful garden for sure as it looked like it stretched for miles. Jurina brought Rena over to a large tree where there was a hammock hanging from two branches. Jurina got in the hammock and then motioned Rena to come over as well. Rena got in and then Jurina pulled a string and the two started to swing. It was quite relaxing for Rena with the sun in the sky and the cool wind blowing, it was a very relaxing scene. While staring at the sky, Rena felt something warm leaning on her shoulder. She looked over and saw Jurina sound asleep on her shoulder. Rena smiled and moved a couple strands of hair out of the way. Rena really did have a hard time believing that Jurina was a weapon of mass destruction. She just looked too innocent for something like that. Suddenly there was a loud explosion and screaming coming from outside. Yuki came running out and said,
"Mistress the blue bloods are attacking!"
"Mou again?! Prepare my horse."
"Yes mistress."
"Rena you go with Acchan. She'll keep you safe."
Atsuko came out and led Rena inside while Jurina and Yuki went their separate ways. Atsuko took Rena to a room with several beds in it. There were also jars of herbs and medicines that were unknown to Rena. Atsuko told Rena that it would be a while before Jurina came back so she decided to run a couple of tests on Rena to make sure she was healthy. She took Rena's pulse and found everything was fine and also found her breathing was good. Her strength wasn't as strong as the average girl and Atsuko found that Rena's very pale skin was something of concern. When she asked if she was eating properly Rena lied and said she had been. Atsuko said she would need to do further tests but for now she could go rest. Rena found a nice bed where she could rest and relax while Jurina was off into battle. Rena relaxed on a bed and then soon after she fell asleep.
When she opened her eyes she found herself not in the bed but in the middle of a war zone. There were people killing each other from all around her with the bodies piling on top of each other. She looked over and saw Jurina with a sword in her hand slicing through people and blue blood splattering. She was looking at something but what was it? Rena looked over and saw a woman standing on a body holding a long saber. Her eyes glowed bright blue and she was short with brown hair. Rena couldn't make out a face but she could just see the blue energy around her. It was obvious she was strong and someone Jurina despised. The look on her face showed anger and hate towards the woman. Rena watched as Jurina charged towards the woman and the two clashed into combat. Rena watched as the two swung their swords and fought to the death. Feeling helpless, she tried to stop them from fighting. She ran over and tried to pull stop the two blades. Rena grabbed Jurina's blade and also the woman's. The pain was excruciating as the blades dug deeper into her hands.
Her red blood dripped down her arm onto the ground where it combined with with a small puddle of black blood and a puddle of blue blood. Rena watched as the two blood puddles both turned red. She couldn't believe what had just happened but before she could do something there was a bright flash and fire was everywhere. She saw a large smoke cloud that looked like a nuclear bomb had went off. The explosion was far worse than the ones in World War II though because Rena looked down and saw almost the entire island of Japan caught in the explosion. There was another flash and Rena saw people walking among the ashes searching for food or supplies. She saw some of them had black blood and some of them had blue blood. They were working along happily trying to rebuild what they had lost in the explosion. Then time was moving fast and the scene changed to a part where there was a black blood and a blue blood fighting with each other. Rena was very surprised to see that the black blood looked a lot like Jurina. The two got into a fight and then chaos broke out when another black blood stabbed another blue blood. The fight broke turned into a battle which turned into a war. This must have been the beginning of the war between the blue and black bloods.
Rena woke up to the sound of the door slamming and heavy footsteps. She looked peaked out from the bed and saw Jurina helping Yuki walk inside and set her on the bed next to Rena's. Jurina had a worried look on her face as she saw the blood coming out of the wounds from the marks. Atsuko rushed in and asked,
"What happened?"
"We managed to fight the blue bloods off but Yuki got cut a couple times. That damn saber of hers..."
"Alright I'll handle it. Grab the blue jar on the top shelf."
As Jurina started to get the supplies, Atsuko started to remove her clothes. There on her back were several cut wounds that were deep in the body. Rena couldn't believe how severe the wounds were. Atsuko took the herbs and mashed them into a paste like substance where she placed it over the wounds. Yuki howled in pain and then Mayu came rushing in.
"Yuki!"
Mayu rushed over and held Yuki's trembling hand. She looked pretty bad and if Atsuko didn't do something then Yuki was going to die. Atsuko said she was going to need some help so she had Jurina go with Mayu to grab some more supplies. When they left Rena came out and and asked if there was anyway she could help. Atsuko told her to hand her the scalpel and then some rags. She grabbed the rags but couldn't find the scalpel. She started to search when suddenly she felt something sharp poke her finger. She pulled back and that only made it worse. She found the scalpel but her finger was cut and bleeding a little. Rena handed Atsuko the scalpel and rags trying to hide her bleeding finger. She didn't know how they would react to the sight of red blood so for now she would try to hide it. Atsuko wiped away some blood and then made a small incision which revealed pieces of metal shards caught in her body. Atsuko was about to remove one when suddenly there was loud pounding. Atsuko ran over and saw it was Jurina saying she can't find the supplies Atsuko needed.
Atsuko left and now it was just Rena and Yuki. It was obvious that Yuki was in a lot of pain from the metal shards so Rena decided to try to help her in anyway she could. Very carefully, Rena started to remove the metal shards. She managed to get three out before Yuki's body jerked and the metal shard cut Rena's already injured finger. Her blood dripped onto Yuki and the sound of footsteps could be heard outside. Rena quickly tried to wipe away the blood and then backed away. Atsuko came in and she saw the blood on Rena's hands and asked,
"Did you remove the shards?"
"Yes."
"Thanks but I'll handle the rest."
Atsuko turned to face Yuki but then she backed away in surprise.
"Uso!"
Rena looked over and was surprised to see all the shards out and all the wounds healed. There was a little black blood left but otherwise Yuki was resting peacefully. Mayu moved Rena to the side and started to cry. She was happy that her sister was alright and made it out alive. Jurina said she was tired and wanted to go lay down so she took Rena and they went up to Jurina's room. On the way up Rena quickly bandaged the wound and tried to hide it as much as possible. They got into the room where Jurina plopped onto her bed and said,
"Tsukareta!"
Rena just stood there and giggled a little bit as she watched Jurina roll around on the bed. Then she looked over to Rena and said,
"Change me."
"Eh?"
"You heard me. Take off my clothes and put on some new ones."
"O-Ok.."
There was a small blush on Rena's face as she made her way over to Jurina. She had Jurina hold her hands up and she pulled off her shirt. Rena admired how there wasn't a single scratch on Jurina despite all her encounters in war. Her skin was a smooth cream like color and the white binding around her chest blocked her from seeing Jurina's most private parts. Rena grabbed a shirt and slid it onto Jurina and then moved down to the pants. At this point Rena's face was bright red for she felt that this was going to take some quick and accurate movements. With the pull of her arms Rena pulled off Jurina's pants and then closed her eyes so she wouldn't see anything private. She grabbed the clean pair of pants and slid her new ones on. She opened her eyes and saw Jurina really close to her face and wore a cat like grin on her face. Rena backed away and Jurina just chuckled as she grabbed Rena and pulled her onto the bed. Rena watched as Jurina sat on her lap straddling her and then she placed her hand on Rena's chest. She leaned in and said,
"You're really cute when you blush you know?"
This comment made Rena blush even more as she realized that Jurina was on top of her in a very misleading position. Jurina placed her hand on Rena's chest and at first she thought she was going to start taking off her clothes. However instead she placed her head on Rena's chest and then remained silent. The room was quiet with only the two of them. Rena was laying perfectly still not moving as Jurina rested on her chest. Jurina giggled a little and then said,
"Your heart beat is so peaceful. It's calm and steady."
Jurina continued to rest but then suddenly the door opened and there was a maid standing there. She said dinner was ready and then quickly ran away after seeing what Jurina was doing to Rena. Annoyed and slightly irritated, Jurina got off Rena and the two went downstairs to eat dinner. Once again Rena did not eat and just said she wasn't feeling well. Yuki was still asleep as well and Jurina asked her to go bring her dinner to her. Rena nodded her head and then took the plate of food. She walked down to the room that Yuki was supposed to be in and knocked on the door lightly. There was no answer but instead the door opened. It was dark inside and Rena couldn't see much. Picking up the tray, Rena brought the food inside and set in on a nearby table. she then prepared to leave but then suddenly she heard a rumbling that didn't sound too far from her. She looked over and couldn't see anything but she could hear something.
"Kashiwagi-san?"
Rena looked over to where the sound was coming from and could hear something like a growl. She then felt something cold placed against her neck. She looked over and saw Yuki holding a blade against her. There was something different about Yuki that scared her. She didn't know what was wrong but something wasn't right with Yuki. Her eyes were pure black and she had fangs instead of regular teeth. Before Rena could do anything Yuki jumped on her and pinned her down. She let out a scream but that didn't help as Yuki pinned her down and started giggling. She bore her fangs at Rena and then leaned in towards her neck. Yuki was smelling her for some odd reason and then suddenly she licked Rena's neck. Looks like she found the spot she was going to bite into seeing how Rena could feel Yuki's fangs poking her skin. Just as Yuki was going to take a bite, the door swung open and there Jurina and Mayu stood.
"Mayu!"
"Get off her!!"
It happened so fast that Rena didn't even get a glimpse of anything. One moment Yuki was on top of her and in the next moment she was slammed against the wall. Mayu ran over to her and the next thing that happened was quite shocking to Rena. Rena watched as Yuki bent Mayu's neck and then bit into it. Mayu let out a yelp and then Rena saw Yuki sucking black blood from Mayu's body. Everything was happening so quickly that Rena's brain was having a hard time wrapping itself around the situation. The overwhelming emotions and actions made Rena's mind collapse and she then fainted right there.
Rena woke up and found herself in Jurina's bed. She looked around and saw it was night time. After realizing that she had passed out she was going to get up and walk around but then the door opened and Jurina came in. When she saw Rena was up and moving her face grew bright with joy and relief.
"Rena-chan!"
Jurina jumped on top of Rena and the two fell on the bed. Jurina hugged Rena tightly and said,
"I'm so glad you're ok."
Rena patted Jurina's head and then asked,
"What happened?"
"You passed out."
"Yes but what happened with Yuki? Is she ok?"
"Ah yes she's fine. Her and Mayu are resting now in their room."
"What happened back there?"
"Well you see, when black bloods lose a certain amount of blood, we go into an extreme survival mode. We act like wild beasts and start searching for anything that has blood in it. We drink the blood to replenish what we lost and once we've had enough we go back to being normal."
"So the thing with Mayu was.."
"Yep and don't worry this happens often after Yuki is seriously injured in battle. Mayu often volunteers to give her sister blood and we allow it as long as she doesn't take too much."
"That's so kind.."
That got Rena thinking about what would happen to her if she were to get seriously injured? There's no one who can give her blood because they don't have the same kind and she doesn't know what would happen if she got black blood. What would happen if they found out she was a red blood? Would they kill her? Would they torture her? All kinds of fears and anxieties started to fill Rena's mind but then they were put to a halt when Jurina called her name. She looked over and saw Jurina staring at her with a concerned stare.
"Are you alright Rena-chan?"
"Ah yeah I am."
"You look a little pale.."
"I'm probably cold."
"Really? Then come here."
Jurina pulled the blanket over the two of them and then pulled Rena in for a warm hug. Rena was a little embarrassed from the closeness of Jurina but she did like the warm feeling she gave her. It was comforting and subtle like her grandmother before she died. Thinking of her grandmother made her a little sad and her eyes started to tear up a little. However she had to stay strong so she quickly wiped them away and embraced herself in Jurina's warm embrace. After a long and crazy day Rena was pretty tired. All she wanted to do now was fall asleep and drift away in her dreams. As Rena fell asleep, Jurina snuck out of the bed and walked down into Mayu's room. She walked in and saw Mayu holding a sleeping Yuki gently stroking her hair. Jurina walked over and moved some of Mayu's hair out of the way to see the bite wound Yuki left. A couple minutes later Atsuko walked in and looked at Mayu's wound. Atsuko placed her hand on Mayu's wound and then closed her eyes. When she opened them they were black and Atsuko took her finger and started to trace the puncture wounds where Yuki's teeth bit in.
A couple minutes later the wound was healed to only a couple small marks. Jurina thanked Atusko who then left. Once she was gone Jurina faced Mayu and asked,
"How is she?"
"She'll be alright by morning but she took a lot though."
"Are you sure you don't need any blood?"
"I'm fine. Remember Jurina I can regenerate my own blood."
"Yeah but I'm just making sure."
"Thank you."
The two were silent for a while until Mayu said,
"Jurina I think you should know this but you know there's something funny about Rena."
"What is it?" Jurina asked.
"When I first met her I couldn't tell what type of blood she was. When I looked inside her all I saw was nothing. There was no black or blue just nothing."
"What are you saying?"
"I think Rena is a different kind of blood we haven't seen before. I think she might be a red blood."
Jurina looked at her with a confused stare. She thought that there was no way Rena was a red blood. All the red bloods had died a long time ago. There was just no possibility of Rena being a red blood. She was with the prisoners so obviously she was a blue blood. That night Jurina completely disregarded the possibility that Rena was a red blood. Red bloods had been dead for a long time and Jurina was intending to keep it that way.
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