شخصية
Male · العمر غير معروف
__Height:__ 175 cm __Dominant Hand:__ Right __Play Style:__ Counter-puncher __Special Move:__ Moon Volley 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.
The Prince of Tennis
The Prince of Tennis: A Gift from Atobe
The Prince of Tennis: Two Samurais, The First Game
Tennis no Ouji-sama: Zenkoku Taikai-hen
Tennis no Ouji-sama: A Day of the Survival Mountain - Kyoufu no Kyouka Training!
Tennis no Ouji-sama: Zenkoku Taikai-hen Semifinal
Tennis no Ouji-sama: Zenkoku Taikai-hen Final
Tennis no Ouji-sama OVA ANOTHER STORY: Kako to Mirai no Message
Tennis no Ouji-sama: Hagiota no Ouji-sama
Tennis no Ouji-sama OVA: Zenkoku Taikai-hen Final Chibi Character Flash Animation
Tennis no Ouji-sama OVA ANOTHER STORY II: Ano Toki no Bokura
Tennis no Ouji-sama: Eikokushiki Teikyuu Shiro Kessen!
