THIS!!
http://www.mangago.zone/read-manga/rouge_katsura_komachi/
gosh it's not really a fluffy story but their relationship (especially the seme) is so healthy that it makes the story fluffy!!
if i'm remembering correctly:
http://www.mangago.zone/read-manga/mr_100_perfect/
http://www.mangago.zone/read-manga/red_candy/
This one for sure
http://www.mangago.zone/read-manga/a_story_of_their_first_time_yuri_on_ice_dj/
But I don't remember which other one's I've read with that so try this list
http://www.mangago.zone/home/mangalist/658536/
There's also these tags you can check out
http://www.mangago.zone/tag/foreplay/
http://www.mangago.zone/tag/gentle%20seme/
apparently it’s common for people to bleed when they do signal number 3, now I just feel concern over every bottom’s butt hole because yaoi logic doesn’t care for them.
... in short, y’all have some recommendations of a proper top that actually cares to prepare the uke’s ass first?