The main character of the story. He is a childhood friend with Umi Hayama. He cares about everybody that is in Tsugumi Dormitory, He tries to help everybody that is depressed. He used to live with his grandparents. During the early episodes, Wataru lied to his grandparents that he is living in the boys dorm at the Tsugumi dormitory, but Wataru was the only person that was in the boys dorm so the school revoked the boys dormitory last year. Now the girls dorm is where everyone can live(including guys) that is from Takamidsuka senior high school. His Grandparents later on figure out that Wataru lies to them. (Source: Wikipedia)