A 6th grader. He grew up like siblings with his childhood friend Natsume at the Kamo-no-miya housing complex, but they had a falling out following the complex's demolition and the death of his grandfather, Yasuji. He plays forward in the soccer club as a duo with Natsume.

Kosuke's classmate, a gentle and soft-spoken girl. She has been Reina's best friend since childhood and has a habit of watching over and supporting the impulsive Reina.

Kosuke's classmate, a girl with a strong-willed personality. She has feelings for Kosuke and often snaps at Natsume, who is always by his side. She loves going to amusement parks with her dad.

A 6th grader. A high-spirited mood maker who is full of energy.

A 6th grader. A bookworm who complements Taishi with his kind and calm demeanor.

A mysterious boy who appeared at the complex. He ends up joining the group on their "drift."