I alreadu read the raws, though I don't understand it. But Keith, I just wanna punch you reall fucking hard
https://tkor.wine/%ED%82%A4%EC%8A%A4-%EB%AF%B8-%EB%9D%BC%EC%9D%B4%EC%96%B4-Kiss-Me-Liar - korean
https://lectortmo.com/library/manhwa/48898/kiss-me-liar - spanish
https://www.fmgmh.com/comic/wenwopianzi.html - chinese (not sure if Mandarin or Cantonese)
i was confused at first who is Mari's oppa, then I got a clue when Sihoon was in Mari's home, and got a call from another oppa. I really like this story, I just finished it in one day. The only thing that their problem between them is the lack of communication.