The father and son Yuki and Haru who's not connected by blood. Yuki, despite being an Omega has a body that doesn't get heats, is living peacefully with Haru who's an Alpha.... But, on Haru's 18th birthday he suddenly kissed Yuki, and because of this Yuki's body started to change..!? A cool and young Alpha and an Older Omega who don't have heats. A very wholehearted lovestory begins.
Itsuki, who's deemed as unknown gender and is expected to be a beta, lost his parents when he was only 15 years old. Since then he tried his hardest and worked hard for his grandma and for himself. Somehow he managed to land a job as a servant under a well-known alpha family but despite his enthusiasm in working there, he was met by a problem—one of his masters, the younger brother Kaisei despise all genders and is somewhat hostile while the older brother, Ujou, is very discriminating
Shishio who was an omega living in the low class of society was picked up by Masami, an alpha who gives him a place in the yakuza society.
"I want to become your mate, Masami."
He used to live every day fighting his strong omega instincts, but...!?
Riku Emori, a high school student who was born and raised as an alpha, finally made his debut in the elite society at a Shutou family party. The Shutou Family is renowned as a prestigious household of Alphas that reigns over the rest of its kind. And, the one crowned supreme among all is KeiKi Shutou, head of the Shutou household, who possesses the charms to dominate not only the omegas but also the proud alphas. From the first time he had laid eyes on him, Riku could not help but admire Keiki.
Furenaide Ritorusuta