While searching for his fiancee Ritsuko, Sakutarou rediscovers through flashbacks the void deep within him caused by the events from his high school days.

People mysteriously start receiving voicemail messages from their future selves, in the form of the sound of them reacting to their own violent deaths, along with the exact date and…

Kai—an outcast—joins Oishi, the leader of 47 outcast samurai. Together they seek vengeance upon the treacherous overlord who killed their master and banished their kind. To restore honour to their…