Bijin Kakumei

In sixth grade, Yuki confesses her feelings to Shin, a strikingly beautiful boy, but he mocks her and calls her fat and ugly. Three years later, she has transformed herself through daily effort, determined to get back at him. Yuki enrolls at the same high school as Shin to carry out her revenge. But her childhood friend Migiwa, who knows the truth about her past, is attending the school too.