He Forced Me To Be His Contract Wife Manga

Peach Anya drunkenly texts Declan, the banana CEO, and ends up having a one-night stand with him. Declan forces her into a marriage contract to pay for her mother's surgery. Anya mistakes his 0825 mark for a rival's, feeling like a substitute, until Declan saves her and confesses 0825 is the date she saved him 15 years ago, and they fall in love.