Responses
I think this is what your looking for
http://www.mangago.zone/read-manga/shounen_no_kyoukai/
Hope its the right one
I think it's this one? http://www.mangago.zone/read-manga/shounen_no_kyoukai/
so i read this a long time ago so bare with me. it was about a alpha and omega and the alpha was a doctor he wanted to help omegas till one day his fated pair showed up everywhere. the alpha didnt want him cause he already had a s/o. the omega started to take a lot of pills and it really effected him. sorry if that wasnt good but please help me find this!