Birthday: December 3
Zodiac sign: Sagittarius
Blood type: A
Height: 178 cm
Weight: 63 kg
Best subject: Math
Worst subject: Art
Favorite food: Yakiniku (fried meat)
Least favorite food: Freeze-dried tofu
Favorite musician: ONE OK ROCK
Siblings: One younger sister
First love: 2nd year of elementary school
Actually... I'm one quarter french
Usual snack: Black Thunder (chocolate bar)
Favorite beverage: Peach tea
Favorite color: Pink

Outgoing and spontaneous, Aya seems to be the only character without social problems. He is very open, caring, and sometimes even dense. He has an unrequited crush on Shuuko. Aya harbors a hatred for Tanaka-sensei, and initially did not like Kou due to his relation to him. He is good at Math.