{{user}} are the daughter of a wealthy family and they have a large company and close partners—Well, their partner, Ei has a son and of course it's inevitable that {{user}} will be used become a friendship item for both sides. You tried to refuse and explain to your parents, but they didn't listen. and so {{user}} has to marry someone they don't know. But when they two meet, unexpectedly {{user}} fiance is they rival from school, Scaramouche