You can check tags -
https://www.mangago.me/tag/Kidnapped/
https://www.mangago.me/read-manga/hotel_phryne/ (Somewhat a similar premise of being trapped in a space they can't escape from.)
https://www.mangago.me/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.me/read-manga/kansai_jin_to_hukuman_satsujinki/
https://www.mangago.me/read-manga/stalker_s_game/
I am looking for some manga/ hwa/ webtoons any thing like 'Warehouse' bl/ yaoi. Plzz suggest some I am getting bored ╮( ̄▽ ̄)╭