Fans of the Demon Slayer series have always wondered why Genya could not use any kind of Breathing Forms. The answer coherently ties up with his inability to use Total Concentration Breathing.

The Shinazugawa brothers, Genya and Sanemi, share a tragic backstory of family abuse and loss, leading to a rift between them. Sanemi becomes a demon slayer, while Genya joins to reconcile with ...