you mean hentai?
jokes aside,
for feeling bubbly from start to finish, for me, maybe:
misoshiru (completed, translation on going)
Aikagi
suki na ko megane, and also tonari no oneesan
Mitsuba-kun
Combini de
Oh Roji (completed, translation on going)
Hodoite Musunde
Bertia (with a tint of drama at...