https://www.mangago.zone/home/mangalist/2478657/ here is my list most of them are that short but here are ones i really loved!!
https://www.mangago.zone/read-manga/otoko_yamome_mo_hana_ha_saku/ (this one is a bit odd cuz of the huge age difference but i loved it sm)
https://www.mangago.zone/read-manga/shitsuren_junky/
https://www.mangago.zone/read-manga/hoshi_to_harinezumi/
https://www.mangago.zone/read-manga/dekoboko_sugar_days/ (this is the cutest story ive ever read but it is decently long)
https://www.mangago.zone/read-manga/subarashii_kiseki_ni_yasashii_kimi_to/
https://www.mangago.zone/read-manga/ichika_bachika/
https://www.mangago.zone/read-manga/heart_ni_goyoujin/ (this is multiple stories but i thought they were rlly cute)
https://www.mangago.zone/read-manga/hoshi_wo_kazoeru_koto/ (i recommend this one the most)
https://www.mangago.zone/read-manga/kiyona_yubisaki_bukiyona_tsumasaki/
Here you go~ https://www.mangago.zone/home/mangalist/1280597/
Thank you!!
like 5-10 chapters; preferably really fluffy and cute ones