I just read this one. There's a tad bit of drama but it don't last long, so it's basically all fluff.
http://www.mangago.zone/read-manga/ore_no_kanbotsu_chikubi_ga_senpai_no_shitapi_de_tachimashita/
everything in this list !: http://www.mangago.zone/home/mangalist/870707/
it's is already in the list but major emphasis on this literally a serotonin boost http://www.mangago.zone/read-manga/my_lovely_bunny/
I'm reading this all as soon as possible Σ(っ°Д °;)っ
I think this is a bit different than your palate of what you read, though I personally liked the cuteness of this one.
http://www.mangago.zone/read-manga/corseltel_no_ryuujitsushi/
And this seems to be part 2, but I am not sure how it exactly fit together as it has been some years ago I read it.
http://www.mangago.zone/read-manga/corseltel_no_ryuujitsushi_monogatari/
I’m rly depressed and want to read something cute/wholesome/fun/sweet, smut is always welcome (no underage pls.)
For reference, some of my faves In this category are Sign, Your Romance, Behind the Desk, Day Off, etc. — check out my lists to see what I’ve read already! Manhwa preferred. Thanks y’all.