Seishun Gakuen 3rd Year Class 2

Birthday: 30th April (Taurus)

Height: 175cm

Weight: 55kg

Blood Type: O

Dominant Hand: Right

Play Style: Counter-puncher

Shoes: NIKE(NIKE READY AIR ZOOM STERLING)

Racket: WIMBLEDON(Tour Merit)

Special Move: Moon Volley

Favorite food: Shish Kebabs, Clam Soup, Pears

Hobbies: keeping fish, swimming

Family: father, mother, younger sister

Father's occupation: Tax officer

Favorite subject: English

Favorite color: White

Preferred type: Girls who look good with glasses

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.