the idea just strikes my mind so I just update again 
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Chapter5: Caught up in an Awkward situation~After school time, outside Class Haru~
The school president waited outside for the new girl to show her around the school. The students saw the school president and greeted politely as they exited their class. Finally Maikea and Sayumi was walked out of the class chatting away.
When Sayumi saw Ai, she immediately switched to her fangirl mode.
"Aichan, are you waiting for Sayumin today?"
"Ehh... no, Sayumin, I am waiting for hmm..." pointing at Maikea.
"Maikea?!" Sayumi looked towards the direction where Ai was pointing, at Maikea while Maikea was smiling bashing away.
"Yup." Ai smiled shyly too.
"For?!" Sayumi was totally confused over how their beloved school president or her idol to know the new girl as she was newly transferred here.
"Wells.. to show her around the school"

"Oh I see... Can I join?"

"Yup sure, right Maikea?" Ai looked at Maikea.
"Certainly

" Maikea smiled brightly as she replied but deeply down feeling a bit uneven because her alone time with her crush was a bit interrupted by her new classmate.
Gaining the approval to join her idol to show her new classmate around the school, Sayumi immediately texted her lover.
"Eririn~
Sayumin has something on after class.
No need to come fetch me~
love you

-Sayu"
~Meanwhile~
Eririn felt the vibration of her phone on her pocket, she lazily sliced her hand into her pocket and reached for the vibrating device and move it under the table to read her text message with one of her eyes slightly opened from her napping position on the table.
After finished reading the short message from her lover, she quickly texted her confirmation and went back to sleep as there is still an hour before her class ended.
~back to AiSayuMaikea's side~
Before the trio explored the school, the trio decided to go the chinese restaurant in the school run by their chinese friends, JunLin to have their lunch together. On their way to the restaurant, they met their classmate Tanaka Reina walking to the restaurant to meet her choir mates, Suzuki Airi and Sakura to have her lunch too.
So they walked together and chatting happily away along the way to the restaurant.
When Reina entered the restaurant, she immediately walked to the kitchen to find her girlfriend while the other girls was attended and served by one of the waitresses to a table.
Seeing this, Maikea feel a bit puzzled over Reina's abrupt action to enter people's kitchen without permission so she asked her other two companions. So, Sayumi patiently explained Reina's abrupt action to her classmate while Ai looking at the menu trying to make the orders for their lunch.
After finish making the order and waiting for their food, Ai looked blankly at her phone, seemed like waiting for someone to text her which in fact, she is just dazing away while Sayumi was chatting happily with Maikea and as and when, messaging and returning message on her phone.
~Meanwhile~
After receiving the message from Sayumi about Ai and her is with a new girl, Risa totally lost her concentration in class and keep texting with Sayumi about their whereabouts so that she can bring the turtle along straight after class to locate them.
When the class was finally over, the sleeping turtle woke up from her 2nd round short nap in her natural mode and before she can stood up to give herself a good stretch, she was dragged by the VP and at the same time, the class rep out of the class, down the corridor, with her bag hanging around her neck, to the Chinese restaurant while Yui followed close behind to ask Risa for lunch.
~At the Chinese restaurant~
So the trio headed to the Chinese restaurant towards AiGakiMaikea were and got seated down with the turtle and the bean stationed themselves in between AiSayu, besides their own girlfriends while Yui having no choice to sit besides Maikea.
When they reached, they came settled down around the table when the food was served.
Since Sayumi knowing about GakiKameYui joining them has made the last minute order for the new arriving trio. And one by one (i.e. GakiKameYui) introduced themselves to the new girl.
After finish their introductions, they all started to have their lunch together, with Gaki trying her best to appease her still angry girlfriend by picking food towards to Ai’s plate and her own while KameShige feeding each other and Ai picking the food for her sis and Maikea.
Being new, Maikea felt quite awkward over the situation as she somehow sense the relationships between the two couples with the one of the pairs doing a live mushy show in front of her.
After their lunch, the six of them explored the school together.
to be continued...
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sorry, Maikea i have make you so awkward
and Sakura, sorry for the short appearance 
sorry~~~ 
anyway, hope you guys like it.