High school girl Erika may be on Kyoya�s leash, but she�s determined to break free and unleash his heart!
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?
Kyoya goes full sadist mode when he�s tasked with tutoring Erika�s little cousin Lena, a headstrong, smart-aleck middle schooler. But Lena appreciates Kyoya�s tough love approach, and later, when he saves her from a scrape in a bookstore, she suddenly finds herself head over heels! How will Kyoya and Erika get out of this one?!