Weakling Me, Doing Whatever I Want with the Strongest Higher-Tier Beautiful Girls!! 'The Completely Unknowable Heretical Tamer: I Dominate the Dungeon's Strongest Monster Girls with My Skills' Volume 1 on Sale Tuesday, April 7!!

Takeshobo Co., Ltd. (Location: Chiyoda-ku, Tokyo, President and CEO: Sumitaka Miyata) will release the first volume of 'The Completely Unknowable Heretical Tamer: I Dominate the Dungeon's Strongest Monster Girls with My Skills' (Original story: Hara-muru, Manga: Itoya) on Tuesday, April 7, 2026.

❑ Synopsis A door to another world suddenly appears in the house of Katsuki, a dull man who wants to get intimate with monster girls! Beyond the door is the lowest level of a survival-of-the-fittest dungeon where top-tier monster girls roam and fight fiercely...!! Acquiring a 'Completely Unknowable' skill that guarantees he will never be perceived, Katsuki, despite being Level 1, boldly steps into the incredibly dangerous dungeon to get intimate with monster girls!! He plays pranks on monster girls without being noticed and tames them! The birth of a heretical tamer!!

❑ Highlights Weakling me, doing whatever I want with the strongest higher-tier beautiful girls!!

❑ Bibliographic Information