We Just Met and Yet... We're Engaged!?

Synopsis

"You always loved my kisses," says the handsome Souma. This is the situation Hana finds herself in whens he wakes up after an accident surrounded by her parents and a handsome man she doesn't know. Her parents seem at an utter loss as they tell her it is her fiance Souma. He seems sweet a first, but behind his mask lies a sadist who tells Hana that he is pissed off to have been forgotten. (Source: Manga Reborn)