Ookami α-san to Ookami Ω-kun

Nobody realizes Ichirou Ohkami is an omega. At his high-class restaurant job, he poses as an alpha to advance his career and status. Everything is going smoothly until a new trainee, Ako Oukami, becomes a thorn in his side. When he tries to show her who's boss, she reveals she’s secretly an alpha. If he doesn't submit to her will, his life will be ruined.

(Source: Seven Seas Entertainment)