A family plagued by an ancient curse... And the girl who will radically change the lives of its members...

Valentine's Day is approaching and what follows is well-known - a bunch of chocolates for the most handsome boys in school! This year, the hot-blooded Kyo Soma and the "Prince of the School" Yuki Soma are almost tied. As expected, Tohru Honda, as a guest of the Soma family, has brought sweets for all its members! But when White Day arrives, when boys give sweets to girls and the roles are reversed, what will she receive from the Soma family...