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?
When Kyoya learns Erika gifted Kusakabe the same sweet she made for him, he loses it—and the pair’s days as a pretend couple are over! Complicating matters, Kusakabe asks Erika out for White Day. But is Erika truly ready to drop Kyoya for good?