Kurimusubi Daisuke, a man fascinated by the complex zoology of monster girls in fiction, one day finds himself transported to a world full of them! When he encounters an arachne named Neya who needs his help...

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeat...

When a reader is reincarnated into a hardcore rated-R novel as Estella, the most precious child of the villainous Kartina family, she learns that the life of a cunning archer, deadly apothecary, and bomb mak...