My Rival Is My Mate.

Noa was just a beta and his first mate Kairi was an omega, that omega was sweet and nice, caring for him, then he was a bit jealous when Kairi had a relationship with an alpha which is Zero, that time Noa and Zero was still enemies and Kairi wasn't aware of them being like that, but one day they will be a lover.

MY RUDE BOYFRIEND

Noa was in love with his ex-boyfriend Kairi, they came back to each other to be lover and then but Kairi has a new boyfriend named Shota Nasukawa and he will become Noa's boyfriend as he made Noa as his slave just to blame Noa as his rival for Kairi. But Noa was in a total in love with him, and he was called "Zero" b...