: Manga highly recommended; various Anime adaptations.
Dr. Kenzo Tenma, a brilliant brain surgeon in Germany, chooses to save the life of a young boy over a wealthy politician. Years later, he discovers that the boy he saved has grown up to be a charismatic, psychopathic serial killer. -Hentai OVA- - -Hentai 3D- Girlfriends 4 Ever DLC.02 -Uncen
The world-building is unrivaled, featuring cinematic animation that treats the fantasy environment like a living, breathing character. : Manga highly recommended; various Anime adaptations