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.