GUYSSS HELP THIS GIRL OUTTTTT PLEASEE

So there’s this yaoi manga that I wanna reread..it about a uke getting privat tuition from the seme. I remember that the uke was really dense and the seme went to I think k university. They ended up living together. Oh maybe this also helps...the uke had an overprotective brother that was against the relationship between them...i tried my best to explain pls helpp(〜￣△￣)〜