Dumped by her boyfriend, Satuki is ready to hang herself. As she ties the rope and reflects on her life, some annoying boys start making a racket behind her! Can't a girl die in peace and quiet!? She yells at them and settles their scuffle to find an innocent fat boy left behind. He was being bullied and she had saved him. This surprisingly tall, chubby boy wants to repay her, so he will become handsome and attractive just like the model JK for her! And once he's handsome, he'll pretend to be her boyfriend to get back at her ex! But now that he's attractive, she's having strange feelings...is she falling for his new beautiful face or for the chubby boy inside?