Antan Kotaro (voiced by Chiba Sho) was born into a traditional Japanese family. With a delicate and gentle personality, he has loved reading since childhood and secretly hopes to become a writer. In short, he is an inconspicuous presence in his class. Mizuno Sei (voiced by Kazumi Kohara) is a seeded athlete in the track and field department, with a unique personality
Antan Kotaro (voiced by Chiba Sho) was born into a traditional Japanese family. With a delicate and gentle personality, he has loved reading since childhood and secretly hopes to become a writer. In short, he is an inconspicuous presence in his class. Mizuno Sei (voiced by Kazumi Kohara) is a seeded athlete in the track and field department, with a unique personality