Shiori to Shimiko no Kaiki Jikenbo
(http://img4.imageshack.us/img4/305/snapshot20080211213055h.jpg)
Details
    * Title: 栞と紙魚子の怪奇事件簿
    * Title (romaji): Shiori to Shimiko no Kaiki Jikenbo / roughly “The bizarre case files of Shiori and Shimiko”
    * Format: Renzoku
    * Genre: Horror, comedy
    * Episodes: 13
    * Broadcast network: NTV
    * Broadcast period: 2008-Jan-05 to 2008-Mar-29
    * Air time: Saturday 24:50
    * Theme song: Akai Inotama Blue by Eastern Youth
Synopsis
The story follows two girls named Shiori and Shimiko who become involved in strange incidents in their town. --Tokyograph
Cast
    * Minamisawa Nao as Shiori
    * Maeda Atsuko as Shimiko
    * Yamane Kazuma as Dono-kun
    * Matsuyama Mary (松山メアリ)
    * Hashimoto Jun as owner of Urindo
    * Takahashi Keiko
    * Inoue Jun as Dan-sensei
Links
Cool review here: The coolest show you'll never see (http://www.nipponcinema.com/blog/shiori_to_shimiko_no_kaiki_jikenbo_the_coolest_show_youll_never_see/)
Official site: http://www.ntv.co.jp/shiori/ (http://www.ntv.co.jp/shiori/)
Download (first three episodes are available with subs): http://www.d-addicts.com/forum/torrents.php?search=shiori&type=&sub=View+all&sort= (http://www.d-addicts.com/forum/torrents.php?search=shiori&type=&sub=View+all&sort=)
P.S. I know this is pretty old, but it's Acchan week!