The Feisty Omega and His Twin Mates manga volume 1 features story and art by Ryo Ayamine

Takahina Natsuo is an omega who has lived a life pretending to be a beta to protect himself from the predatory alphas around him. Despite his precautions, Natsuo suddenly goes into heat on his way to a job interview and is nearly attacked! Thankfully, a pair of elite alpha twins, Yuya and Tomoya, manage to save him in the nick of time. However, instead of feeling at ease, Natsuo can't resist the intense attraction he feels around these two brothers--which means that he's found his fated mate! Problem is…which one of them is it?!