Sasa is the ace player of Morinomiya's boys' basketball team and is also one of the school's campus crushes. He is a cool and easygoing guy who acts indifferent toward his admirers, saying he doesn't have any interest in girls. This 'phobia' of his actually has a history of its own, which will be revealed in the later parts of the manga. A natural sportsman, he is a complete fishing maniac. The first time he meets Noeru-girl, Sasa is instantly befuddled by his assertiveness, casually calling him by his name here and there and even mindlessly asking him a favor of making him the team's manager - just so he can look after his sister more. He realizes that Noeru is very different from the stereotypical girls in school and soon falls in love with him, much to Noeru's distress and Maria's amusement. However, when Noeru reveals to him his secret, he is very mortified, but after a moment of shock, he decides to continue being friends with him. To help Noeru conceal his true identity, they pose as a couple.