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...!?
底辺に生きていたΩの獅雄は、αの真望に拾われて任侠の道へ。「真望と“つがい”になりたい」。強力に襲う己のΩの本能と格闘する毎日を送る獅雄だったが……!? ※こちらは巻末に電子版のみの特典ペーパーがついています。