Responses
this maybe?
https://www.mangago.me/read-manga/kenichirou_kun_no_konyakusha/
but here the one with purple eyes is seme not uke
beta
I read this bl manga long ago but it takes place in an elite school, and the seme was an elite and the uke had purple eyes, tbh I fully forgot the plot. But the seme is a slight yandere I think. Anyways thanks