Fed up with being hopelessly single, high schooler Erika makes up a boyfriend to fit in. When her lies start to unravel, her schoolmate Kyoya offers to be her pretend boyfriend--for a price. With no other choice, Erika finds herself at the mercy of a blackhearted prince! But is Kyoya truly as blackhearted as he seems?

During the class trip, Takeru confesses his feelings to Ayumi! And does Nozomi seem...jealous? Ignoring Kyoya's warnings as usual, Erika offers her matchmaking services. And the drama doesn't let up back home, as Kyoya braves dinner with Erika's parents and a birthday date with Erika. For once he tries to do right, but it all goes wrong...