First tankōbon volume of this series was titled Sayonara Koibito, Mata Kite Tomodachi Lost Child vol. 2 when it was serialized in the Omegaverse Project magazine.

Itsuki, who's deemed as unknown gender and is expected to be a beta, lost his last family member (Grandmother) when he was only 15 years old. Since then he tried his hardest and worked hard for himself. He was...

Born an alpha, entertainment agency CEO Chae Jae-woon suddenly becomes an omega after eating a peach. Having lost more than half his assets in a divorce settlement, Jae-woon is thrilled when rising star Lee San...

Shin is the first beta to work as a host at "DEAREST", a host club that used to only employ alphas. He has feelings for his colleague, Keishi, and has been aiming to rank high in the club for Keishi's sake but...

Hikari (Ω) works in the night business and only cares about money. One day, salaryman Seiroudou Dan (α) asks Hikari to give a farewell gift to his boss, who was Hikari's regular client and is now transferring...

Akizuki, an alpha student who gets good grades but tends to skip school, is in love with a man, Mizuse, who is a teacher. Although she knows that it is a difficult love, she goes to the chemistry room after...

On the day of the school entrance ceremony, novice teacher Ooji reunites with Yasumi, the counselor who once saved him during his student days. This reunion waters the seeds of his past love...

Kiryuu's an Alpha teacher in a school full of Betas & Omegas because of his unique constitution that is unaffected by pheromones. When an Omega student, Ao, gets his first heat, Kiryuu helps him. But from that...

Tae-in, who is from the street and is labeled as an ex-convict. So far, his world has been a passive life centered around the gangster, Beomjae, whom he met in prison. Then one day, Tae-in, who happened to be...

The omega school tyrant, legendarily known as "Yan Ge", Jiang ShaoYan's heat is approaching. He thought he had no other choice but to seek out an alpha stronger than himself to get him through it, but suddenly...

Original Manhua: KuaiKan Manhua, BiliBili Manhua

Noah is a beautiful Alpha heir of a great company, son of a Beta and an Alpha. His parents cut off all contact with Omegas in order to marry him to an Alpha female and keep the blood pure. What happens when...

Mio Karino, who works as a secretary, hides the fact that he is an omega under the young master, Nagao Keisei, who dislikes omegas. Although he was embarrassed by Keisei, who does not believe in people...

Pairing: Levi x Eren

Pairing: Erwin x Levi

Pairing: Levi x Eren

Paring: Levi x Eren Summary: Eren is an Omega who knows who his mate is despite having never known them, Levi of his favorite band No Name. Will Eren ever be able to meet his destined one, or has fate ruled...

Pairing: Eren x Levi Summary: Levi is born an Alpha, but due to trauma in his childhood he suffers from impotency, he worries if he will be able to be proper lover for his mate. However, when his Beta mate Eren...

Pairing: Erwin x Levi

Pairing : Erwin x Levi

Paring: Levi x Eren When instinct is the driving force of the world, is there any truth behind the words of love and affection with which we adorn our beloved…