Please help me find this manga... Ofcourse its yaoi, its omegaverse... Student is alpha, t...

Please help me find this manga... Ofcourse its yaoi, its omegaverse... Student is alpha, teacher omega... Teacher have heat in school infront of student he hug the omega wanting to bite but instead he bite his own hand while holding the omega teacher... And his friend who is a beta student calls the school doctor teacher ?