Seme fell in love when he was still a kid
Seme
https://myreadingmanga.info/haohao-hao-wakarase-jujutsu-kaisen-dj-eng/
Honorary mention since:
Seme wants to wait to have sex but Uke wants it so bad he doesn’t care about age differencd
Seme as a kid adored uke
Seme loved uke since he was a kid
Suki de Suki de, Daisuki de