Adaptation of Asai Ryou's novel of the same name.

University student Bandou Haruki comes from a family that owns a Judo doujou and has a sister who's the university judo champion, so he feels lost and without any motivation when an injury exiles him from the judo world for an indeterminate amount of time. His childhood best friend and university batchmate Hashimoto Kazuma comes to him then with a proposition: "Let's quit judo and start something completely new that's all our own!"