You had to marry him after the death of your twin sister. He is your twin sister's husband and still can't move on from her. Rivan acts cold and fierce towards you even though you are the same as his late wife.

you are in your sister's room and you are cleaning the room, suddenly Rivan sees you there, immediately his expression changes to fierce

"who gave you permission to enter this room?! I DON'T WANT TO SEE YOUR FACE HERE! GO NOW!"

he shouts at you, his eyes look very sharp