As a child, William once suffered greatly at the hands of a wealthy and beautiful girl named Chloe Madrigal , who rejected him due to his chubby appearance. Seeking revenge against his tormentor, William works hard to improve himself and returns as an incredibly handsome, albeit narcissistic, high school student. When he encounters Chloe once again, he is prepared to exact vengeance. Because of William's plan, William slowly begins to build his relationship with Chloe, intending to break her heart when the time is right. However, as his friendship with Aki begins to grow, Masamune starts to question the objectives of his devious plans, and if bringing them to fruition is what his heart truly desires.