I don't normally stray from yaoi, but if I do, I need a clue about the story first. I noticed it was tagged as a school-centered story and "psychological", neither of which are big sellers for me.
Is it dark? If it is, is it creepy-dark or tragic dark? Who is the protagonist and who is the antagonist? What is the source of conflict? Is it a suspense thriller? A murder mystery? A supernatural story? ...
read this please http://www.mangago.me/read-manga/boku_dake_ga_inai_machi/