BL - Omegaverse

Kanae, an omega, transfers to a quiet country town and due to Kanae's particular condition the moment the class's 7 alphas saw him they all thought of impregnating him. Kanae only cares about his true mate and rejects those who confess. Ougi, being the leader of the class, is also attracted to Kanae and begins his plan make Kanae choose him.

Abarenbo Honey: Kuma is an omega delinquent who believes he doesn't need suppressants, but during a fight with his rival and alpha Hachi, his heat comes. Weakened by the heat, he is marked by Hachi.
Kakurenbo Honey: When yakuza heir Suzume takes Mitsurou to an island for date as payback for Hachi breaking off their engagement, a storm comes and, unable to leave, Mitsurou goes into heat. After Mitsurou realize he loves Suzume, he is torn between his loyalty to the Hachi group and his feelings

Hibiya is a beta researcher and Yagami is a new researcher on Hibiya's research team. Yagami claims to have meet Hibya a long time ago, but Hibiya doesn't remember him. After an accident in the lab, it is revealed Hibiya has transitioned from a beta to an omega and Yagami tries to help him as he adjusts to his new body and work life.

Omega Yokomichi is always dumped by his alpha partners after they find out he's a complete top. His latest interest is his eccentric company president and alpha Karasuma.

Ch. 4: Ω Rui loses his suppressants an he is taken by his ⍺ friend Touma
Ch. 5: Ω Kanata is dating ⍺ childhood friend Takeru, but their ⍺ childhood friend Luca and Kanata are fated mates
Ch. 6: Ω hating ⍺ Futoshi falls for hopeless romantic Ω Hizuru
Ch. 7: ⍺ Nana loves his β childhood friend Rio
Ch. 8: Ω Keisuke wants to prove omegas are equals, but the only one who agrees with him is his ⍺ childhood friend Tooru
Ch. 10: ⍺ teacher Kazuoka and ⍺ counselor Hasuno discuss their job and love

Boisterous Yuka is childhood friends with plain and quiet Kaoru, but in middle school Yuka decided to separate himself from Kaoru. When Yuka get the result of his secondary gender examination, he finds out he's an omega and things begin to change.

After his first heat came suddenly, omega Kazuomi is attacked by several of his baseball teamates only to be saved, then raped by alpha teammate Kadota. When Kazuomi is about to quit the club, Kadota offer to have sex with him regularly to suppress his heat and knowing it's his only way to keep playing, Kazuomi accepts. At the same time, Kazuomi is being threatened by alpha Tendou, who has the key to Kazuomi's collar and is in love with Kadota, into having sex with him when Kadota is finished.

Ch. 1-4,7: Omega Mahiro wants to live freely until his first heat comes, so he sleeps with various partners. When he notices shy, virgin alpha Yoneya has an obvious crush on him, Mahiro begins to tease him, but the longer Mahiro is around pure and straightforward Yoneya the more he fall for him and the more anxious he becomes
Ch. 5-6,8: Mahiro's omega friend Natsuki reluctantly agrees to go out with playboy alpha Toujimori for a week

Being and omega and the oldest child in a poor family of 7 kids, Haruki's life has many obstacles. He's always been able to endure whatever happens, until he's approached by 1st year alpha Asahina, who starts following him. When Haruki suddenly goes into heat in the library, Asahina shows up and marks him.

After a drinking party with members of his college department, beta professor Toono invites alpha Asahi to come drink at his place. But when they get there, Asahi is forced in to having sex with Toono's omega roommate and childhood friend Tsukasa, who is in heat, while Toono films. Asahi continues to help Tsukasa with his unstable heats, until Tsukasa reveals the reason for their situation is that he's in love with Toono, but Toono can't get hard with Tsukasa.