Since the suicide of his classmate a few years before a young man named Tatsumi stays shut inside his parents house refusing to leave his room and stuck in a limbo of confusion and grief One day something breaks inside him and he starts to run He runs nonstop as if something has awoken inside of him His then finds himself wandering around the streets searching for where to go While searching he comes across a strange funeral service full of vagrants and drunkards There he meets a vagrant named Tsuchiro and the two form a close bond