Helpp

Can someone help me find a manwha? I forgot to bookmark it.

It's shoujo genre and the premise is that chosen special people get invitations to a sort of secret club where they can find their true/destined love. When accepting the invitation, the person assumes another identity as a disguise.

MC was forced into an unhappy marriage where her husband was abusive. On the night she was about to jump off a window to end it all, an owl delivering a letter flew in front of her(the symbol of the club)
She accepts it and her brown hair turned this gorgeous colour of black.