Pink is a sporty, ambitious, playful, and diligent 5th grader student, making him possibly 10 or 11 years old. He loves Field day, where sports get competitive and getting the first place with his very best, and his group members are Hazuki, who is mostly chill and optimistic, Izumi, who is cheerful and affectionate, and Saiko, who is the leader of the group. Saiko is his best friend, and he looks after him like a big but immature brother. That’s what best friends are for. He‘s awful at math.