Help me find this yaoi mang

Sl i remember this yaoi manga but i dont remember the name and i only know somethings about the side couples so there is this bodyguard (i think) from the protagonist and he is together with this guys who looks in my opinin like hinata (from haikyuu) hes bigger then hinata but i dont know if his hair is orange cus the manga is in black and white of course and so the bottom (bodyguard) told the top (hinata in big) that he should get away from him cus i think but i dont really remember that that manga is an omegaverse and the bodyguard is an omega so this is all i knoe please guys help me if you know anything(sorry for some spelling mistakes i wrote this really fast