Hentai Manga like Seongjidogwanri Gongmuwon

Onnuri Seongmunhwa Yeonguso

Also known as Studying Sex Culture, For Science!.

Status: Finished
Genres: Comedy , Drama , Hentai

In the not-so-distant future, humanity faces extinction, not from war or disease, but from a total lack of action between the sheets. With AI doing everything (including flirting), people have stopped dating, marrying, or even having sex. Enter the Onnuri Sex Culture Laboratory, humanity's last, horny hope. Their solution? A time machine. Their mission? Study the golden ages of getting it on. Meet Garam, an awkward grad student turned chronosexual researcher, who's now zipping through history under the wing of the mysterious and seductive Professor Eun Ahyeon. From ancient orgies to disco-era hookups, Garam must document sex culture and harvest the elusive energy source known as... Orgasium. History class has never been this NSFW.

Seongjeoktteoksang

Also known as Study Buddies.

Status: Releasing
Genres: Drama , Hentai , Romance

Min-Ho ends up living with his two childhood friends after his dad asks one of them to tutor him for his college entrance exam.

Yakchoaedam

Also known as Herbal Bathhouse Tales.

Status: Finished
Genres: Drama , Hentai , Romance

In a quiet countryside village lies an ancient, family-owned hot spring, passed down through generations. As it prepares for its grand reopening, Jinho is suddenly left to run the bathhouse alone. His only help? Sejeong, the gorgeous girl next door. As they work together to deep-clean the place, they stumble upon a mysterious bundle of herbs and an old medicinal book in the storage room. When they brew a vibrant, green herbal bath from the fragrant herbs, something unexpected begins to heat up—and it’s not just the water!

An Boineun Tumyeongchyu

Also known as The Skill of Being Unseen.

Status: Releasing
Genres: Drama , Fantasy , Hentai , Supernatural

The extremely hideous Joonyoung finds himself duped into an unfair contract with a mischievous succubus. To survive, he must seduce women, a daunting task for someone like him. However, he’s granted a unique superpower to aid in his mission: the ability to become invisible! With this newfound skill, Joonyoung navigates a world of unseen opportunities and challenges, all while trying to outsmart the supernatural forces at play. Can he master the art of invisibility and turn the odds in his favor, or will the succubus's game prove too dangerous?

Yeodongsaengirang Bimil Lesson

Also known as Secret Lessons for My Sister.

Status: Releasing
Genres: Comedy , Drama , Hentai , Romance

"I heard you're the master at sex."

His friends call him Dr. Sex, but in reality, Jin-Yeong is still a virgin. However, he lies to his sister, Bom, and acts like he has experience. However... He didn't expect Bom to sneak into his room asking him to teach her about sex every night!!!