Yume Miru Kusuri: A Drug That Makes You Dream (2005)
Kouhei Kagami is a Japanese student with excellent grades and a fairly normal social life, but feels empty and transparent inside. The story revolves a pivotal moment in Kouhei's life where three girls, that have more problems than himself, meet him for the first time and soon make his life a roller coaster of emotions. Kouhei must choose to save one of them from their own despair. (wikipedia.org).