The guy has Fake scars or burn all over his body and covered in bandage, almost bedridden, then he has a fiance? that he only allows to take care of him at midnight so she might not notice that his scars or burn is fake. I think it's manhua
https://www.mangago.me/read-manga/one_day_my_sister_died/
https://mangak.io/one-day-my-sister-died till chapter 77
The guy has Fake scars or burn all over his body and covered in bandage, almost bedridden, then he has a fiance? that he only allows to take care of him at midnight so she might not notice that his scars or burn is fake. I think it's manhua