do u know this historical manhwa

so there's this mc who read the novel then transmigrated. then there's the fl who have healing powers and there's 2 love interest. the fl married the other and the ml killed himself (?) and the mc made a contract to marry the ml (so he can stop killing himself) and pretended she has a power too which is seeing the future. it's a popular manhwa and i forgot the title. i think the fl is pink haired? I FORGOT. PLSSS SOMEONE