Setoutsumi (2017)

Other name: セトウツミ

Synopsis: Ichigo is Seto’s former teammate and Hatsumi is Utsumi’s classmate, however, the two are not friends.
Utsumi, Seto, Kashimura and Hatsumi start to hang out together. While doing so, Utsumi starts to feel uneasy about Seto and Kashimura’s relationship.

Utsumi has few friends, so he spends his free time between school and private lessons by the river. One day, Shokichi Seto appears and the two begin to spend time together. Later, they are joined by Ichigo Kashimura, Seto’s former soccer teammate, and Hatsumi, Utsumi’s classmate. The four begin to hang out together, but Utsumi begins to feel uneasy about the dynamic between Seto and Kashimura.