Kimi ni Shika Kikoenai
Complete | Otsuichi | 2003 released
Sooo good! What a well thought out plot and the characters drew you in the second you start reading. A perfect langth too because if it had gone on, it would have lost the simple tragedy.
Tsuugaku Densha - Kimi to Boku no Heya
Complete | tsukishima sango | 2010 released
It's a very captivating story with lots of twists and turns.
Issho ni Neyou yo
Complete | TAKAO Shigeru | 2008 released
I loved it! The art style was super interesting, an older feel than the mangas I usually read. There were times when I was confused with here the story was going but I think that was intended, to help you feel the characters.
In The Mirror Of Death