The Spooky Love Tale of Gongchan Seol? or Iwakutsuki Bukken no Yakuro-san? if you find it let me know lol sounds interesting.
Wait I know this but forgit title let me find it
Danshoku Rei no Sumu Apato?
Maybe this one https://www.mangago.me/read-manga/lady_k_and_the_sick_man/
Omg I just realized they didn’t specify if the ghost was male or female it could be this if the ghost was a female
oh yes, it's this one. Thanksss ;)
there was this manga where a man lives in an apartment and a ghost or idk, but yeah that ghost do stuffs to him and doesn't let him leave the apartment...i forgot the name so, anyone? (=・ω・=) It's one shot