Takopi's Original Sin is indeed a popular anime, despite its lack of pre-existing hype. Takopi's Original Sin GACHIAKUTA

Set in a world where negative human emotions manifest as "Curses," Yuji Itadori joins a secret organization of Sorcerers to eliminate a powerful Curse named Ryomen Sukuna. The animation by MAPPA is industry-leading.

(by Tatsuki Fujimoto) Imagine if Devilman met John Wick on a shoestring budget. A poor, desperate boy merges with his pet chainsaw devil and becomes a public safety hunter. It’s brutal, bizarre, hysterically funny, and deeply sad. The art is raw and expressive. Part 1 complete (97 chapters) – Part 2 ongoing.

Regarding the hentai aspect of "Kurenai," it's essential to note that while the series does have adult or ecchi content, particularly in fan adaptations or interpretations, the original manga and anime are primarily aimed at a younger audience. Hentai refers to a genre of Japanese adult anime and manga that contains pornographic content. If you're looking for information on adult or hentai adaptations, it's vital to approach these topics with an understanding of the legal and ethical implications.

: A journey of a young ninja seeking recognition and aiming to become the Hokage.