Here are some I liked
https://www.mangago.zone/read-manga/yuusha_goikkou_no_kaerimichi/
https://www.mangago.zone/read-manga/the_story_of_an_ogre_and/
https://www.mangago.zone/read-manga/crazy_people/
https://www.mangago.zone/read-manga/my_childhood_friend_was_a_god/
https://www.mangago.zone/read-manga/sweet_suffering/
https://www.mangago.zone/read-manga/the_story_of_the_princess_and_the_little_mermaid/
Oh and this !
https://www.mangago.zone/read-manga/hampton_sistets/
https://www.mangago.zone/read-manga/nanase_kun_s_vocation/
This one is quite cute.
im curious what everyones fav oneshots are since its OS season :D theres nothin worse than a shitty oneshot i need some good recs