Who is the strongest Familia in Orario? "Of course it's our Freya Familia!" Mika confidently answers the interviewer. Unlike those Familias famous only in the world of Danmachi, the Freya Familia's reputation echoes across the heavens! They learn Breathing Techniques and fight demons in the Demon Slayer world, delve into Nen abilities and battle the Chimera Ant King in the Hunter x Hunter world, savor magic and clash with Heroic Spirits in the Fate world. This is the story of a boy who becomes a hero, experiencing the abilities of countless worlds and building the strongest Familia.