Shuichiro Oishi (大石 秀一郎)

Seishun Gakuen 3rd Year Class 2

Oishi is the vice-captain of Seigaku Tennis team. He is a worry-wart and is much concerned with other people's welfare, thus erning the nickname "Seigaku's mom." He plays doubles with Eiji Kikumaru and their tandem is called the Golden Pair.