Shizuka is described as a stoic boy. Because he was raised a family of males, he knows nothing about females and becomes very anxious around them, especially when they touch him or try to talk to him for long; he even goes as far as avoiding them by any cost when they try to get near him.

Though Shizuka has trouble talking to women, he becomes attracted to someone and falls in love with her.After being rejected, you saw him playing basketball with tears on his eyes