While trailing someone, the poor detective Sousuke Kaburagi runs into Sara, an imperial princess from another world who uses black magic. Sousuke and Sara gradually begin living together, but in the blink of an...

Masuda Keima, a lazy high-school boy who prefers to laze around and avoid working, gets summoned as a dungeon monster by a girl avatar named "Dungeon Core No. 695" who is the dungeon core of the mighty one-room...