Mujintou ni Motte Iku nara

Akagi, an ordinary office worker, encounters a former classmate, Ichimori. They share a past rooted in high school, where Ichimori was a top judo club member until he suffered a leg injury caused by Akagi. At the time, Akagi promised to do anything to make amends. Years later, Ichimori unexpectedly shows up, revealing that his girlfriend has left him and asking for temporary shelter. Despite his reservations, Akagi feels obligated to help, though he remains puzzled by Ichimori's return.