a/b/o

Hye-sung spent his entire life believing he was an Alpha, the top of the genetic lottery. But his world is flipped upside down when he finds out he isn’t an Alpha, but a lowly Omega. After this revelation, he continuously crosses paths with Dojin, an Alpha who can’t stand Omegas. Take a step into the omegaverse and find out what it is that makes their pulses race and their bodies go wild.

Ordinary university student Kanade is a Beta. He secretly holds feelings for his neighbor and childhood friend Munechika. However, in this world, the typical trend is for an alpha and omega, and two betas to pair up. Because of that, Kanade thinks he’s not a match for Munechika who’s an Alpha, and stays with him as a friend. However, one day, Kanade feels a weird discomfort in his body…

Masaki is a male Omega married to Hiromu a male Alpha. They have a child together named Hikari and they've just move in to a new neighborhood.
The story revolves around the everyday lives of this couple and how they raise their son Hikari.
Volume 1 : Tadaima, Okaeri
Volume 2 : Tadaima, Okaeri - Kagayaku Hi
Volume 3 : Tadaima, Okaeri - Mata Ashita

Because of their statuses, their love story is at the mercy of fate. Aoi is the heir to his family, but due to some discord between him and his stepmother, he is forced to leave the house. And there to support him is his childhood butler, Miyauchi. After living his days being doted on and served, Aoi finds his position reversed, where he has to work all day. And what has supported him throughout this lifestyle is his unrequited love for Jirou, heir of Saionji family.