This one is short, but I think you'd like it.
https://www.mangago.zone/read-manga/sweet_trap/
I've already read it, it was one of my favorite, he was really beautifulll, thanks a lot thoooi
https://www.mangago.zone/read-manga/sekai_wa_kimi_de_mawatteru/
https://www.mangago.zone/read-manga/koitomo_/
https://www.mangago.zone/read-manga/shitteru_yo/
https://www.mangago.zone/read-manga/sick/
https://www.mangago.zone/read-manga/kijima_kun/
https://www.mangago.zone/read-manga/itonaga_kun_no_koi_no_ito/
Thank you!!!
I want a manga or manhwa similar to love plan or Hosik's story in which uke or seme is oblivious and their partner is cunning or can manipulative, with happy ending pleaseeee