Setoutsumi (2017)

Other name: セトウツミ

Synopsis: They also have nothing to do, and the five of them start spending their free time together.

Utsumi is a student with few friends. He spends his time before going to a private institute by hanging out by the riverside. One day, he meets Shokichi Seto, who recently quit the soccer team. They become friends and soon after, they are joined by Ichigo Kashimura and Hatsumi from the same high school, and the five of them start spending their free time together.