Youji Sakiyama

Sakiyama is the main character, a high school student who lives by himself in a small flat. His parents died in a car accident when he was a kid, leaving him and his older sister. Youji is a quite shy guy, being quite and aloof. He's almost invisible in class, has no friends to talk to and he suffers from a weak body which makes him sometimes faint in school. He lives by himself, but does have the best big sister ever.