Hentai Manga like Rainbow City

Sisyphus Gaedeul

Also known as The Hounds of Sisyphus.

Status: Releasing
Genres: Drama , Romance , Supernatural

The dead no longer stay dead. They rise—not as monsters, but as aimless wanderers—plunging the world into chaos. Hope of immortality fades as disasters push humanity to the brink of extinction. Amidst the ruin, Pyo Guwon walks against the tide of fleeing survivors. On his path, he finds Heo Jinwoo, left for dead after an attack. Instead of passing by, Pyo offers a hand, posing a single question: "How does it feel to survive hell?" With that, he leads Jinwoo to a village where death holds no meaning—but in a world that refuses to let go of the past, survival is never that simple.

DEAD MAN SWITCH

Also known as Dead Man's Switch.

Status: Finished
Genres: Drama , Mystery , Romance , Supernatural

We’ve all had that nightmare where we’re late for a test, right? How about the one where your teacher’s trying to kill you?! Just me, huh? Guess it’s only fair then that I woke up in an actual zombie-infested nightmare! Almost everyone on my campus has become a creepy, flesh-eating monster! Except for this one ax-wielding badass named Youngwon Ki. He seems perfectly fine with all the chaos. I’m glad he’s here, but I don’t get why he acts like we’re close!

Radio Storm

Also known as Radio Storm.

Status: Finished
Genres: Drama , Horror , Mystery , Romance , Supernatural

In a world ravaged by war and a deadly plague, supernatural abilities are no longer just a fantasy. Sak, who was born with an extraordinary sense of smell, sets out to find his caller–the only person who can amplify his powers. When the two finally meet, Sak can’t help but feel an overwhelming affection. The catch? Sak’s love is one-sided, and his caller wants nothing to do with him. Now Sak must risk everything to bring his caller to safety–both their lives depend on it.



Notes: The chapter count contains 2 epilogue chapters.

Epitaph

Also known as Epitaph.

Status: Finished
Genres: Hentai , Romance

Researcher Lou Solomon is given Caleb, his father's 'pet' during the zombie apocalypse. Will he be able to deal with the threats outside and within?

(Sorce: Toomics)

Aginui Sajeong

Status: Finished
Genres: Drama , Romance

Kang Si-U is sent to prison due to a certain incident in the past. After being released from prison, he joins hands with Do Ji-Hyeok in order to take revenge on Kang Ha-Jun who ruined his life. Kang Si-U has only one purpose: to make Kang Ha-Jun feel the same as he did. But the more he hates him, the more Kang Si-U gets caught up in the past when he use to like Kang Ha-Jun and starts to gets caught up in a sense of self-doubt and guilt every day. It's getting more and more catastrophic...!

He started revenge to save his life, which had been ruined by the betrayal of his wicked ex-lover. Will he be able to succeed in his revenge, leaving behind the truth he faced and his feelings?

Boangyeonggo!

Also known as Unauthorized Access!.

Status: Finished
Genres: Drama , Romance , Sci-Fi

As a skilled hacker, Gyeon Woo-Min is hired by a criminal organization to infiltrate Taeyoung Corporation and steal data. However, when the security system goes off, he's caught by no other than the CEO, Tae Beom-Hyun. Instead of calling the cops, Beom-Hyun offers him a deal that's little better than a slave contract. Left with no other choice, Woo-Min signs the contract and finds himself carrying out all sorts of risky and provocative errands ordered by Beom-Hyun.


Note: Chapter count incudes a Valentine's Day chapter and six side story chapters.

Omega Complex

Also known as Omega Complex.

Status: Finished
Genres: Drama , Romance

Yoon-Woo and Tae-Gyeom have been best friends since childhood, but Yoon-Woo is hiding a secret that could tear them apart–he’s an omega… and he’s in love with Tae-Gyeom.

When a traumatic event leads Tae-Gyeom to despise all omegas, Yoon-Woo is forced to keep his identity a secret. After struggling for years to avoid Tae-Gyeom, they both end up at the same college, and Yoon-Woo’s carefully guarded secret is in danger of being exposed…



Note: Includes ten side story chapters.

Gimuldeurui Segye

Also known as The Pawn's Revenge.

Status: Releasing
Genres: Hentai , Horror , Mystery , Psychological , Thriller

As a male prostitute in the slums, Je-oh is at the bottom of the social hierarchy. A pawn among pawns. Sure, he's tried to break away, but each attempt has only left him with more wounds. Until one day, he gets rescued...by a serial killer who kidnaps him along with his pimp. The killer, Seong-rok, is on a mission for his lover, a former prostitute plotting to turn the tables. Why he rescued Je-oh is unclear, but a slick-talking manwhore was definitely not part of anyone's plan. Regardless, Je-oh is no ordinary pawn. Now that he has entered the game, he will use every trick up his sleeve—or in his pants—to get revenge.

Jongui Giwon

Also known as The Origin of Species.

Status: Finished
Genres: Drama , Romance

Lee Young-Jin has never been like other Omegas. Rather than being physically superior to humans like the rest of his species, Young-Jin is a gifted hacker. But when his talent leads him to an ill-fated heist mission, Young-Jin finds himself trapped in the clutches of a powerful Alpha businessman named Seo Seung-Hyun. Now, he must do anything he can to guarantee safety for himself and his colleagues - even if it means sleeping with the enemy. But as the business deal between Young-Jin and Seung-Hyun quickly becomes more personal, will they be able to see eye to eye? Or will their differences be too much to overcome? Set in the Omegaverse.

Placebo Memory

Also known as Placebo Memory.

Status: Finished
Genres: Drama , Romance

For ages, Ha-Min has secretly pined for his childhood friend Woo-Jin but never had the guts to confess. When Woo-Jin loses all his memories of Ha-Min in an accident, Ha-Min jumps at the chance to fake a relationship, hoping to make his dreams come true. Woo-Jin eagerly embraces the lie and can’t keep his hands off Ha-Min. But will their steamy, newfound romance survive if Woo-Jin’s memories come flooding back?



Note: Includes six extra chapters.