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? 
After agonizing over what to do after graduation, Erika has finally found her calling...but will she have to choose between her passion for art and her passion for Kyoya? Meanwhile, the class says farewell to high school with a glittering prom, and that means getting the guys into suits!