Oji-san, Ore ni Koishite kudasai
Incest + uncle uke x nephew seme -- ╰(➝seme loves his uncle uke and confessed when he was in highschool but 5 years later when uke met again seme in his workplace his feelings still hasn't fade away so he asked uke to fall for him.
Bokura no Issen
to grow up so I can feel he is big and mature guy but he looks like child i can't even enjoy it somebody upload next volume so I can see him as grown up and taller than uke .... Let's not indulge fiction info reality
Taming the Master
Finally it's completed within 7 chp, seme's father is kinda hot️ - younger seme x older uke + seme is crazy + adopted uke--- Spoiler Summary - ╰(➝ seme's father adopted uke cuz they couldn't have child when uke turn 10 seme born and since that day uke felt his position threaten in family but seme was not interested in family business, one day he start getting serious and uke kinda injured seme but it turns out later they were having sex and uke accepted his fate as being beside seme.
Boku wa Shitteiru
They keep on running away from each other , it's good they had sex when seme become adult i like glow up though lol , actually it's kinda confusing at the same time cuz there is months and years of gap in their meetings. Still they can't get over each other.
Otoko Yamome Mo Hana ha Saku