Cycle-cycle (2017)

A fresh, light, absurd teen movie sharply cut into Japan social problems. Two high school boys Junpei and Satoshi start a bicycle trip around Japan on a tandem. Soon they argue and split up. Junpei keeps his own trip on the bicycle and picks up a hitchhiker named Mitsuru to ride with him. Mitsuru is heading to his grandfather's who he hasn't seen for years. However when they reached to the house, they found a dead body in the room...