Masamune Makabe is a high school student who seeks revenge for the cruelty of his past.
Training with his grandfather to lose weight, Masamune achieved a great body and looks. Though he is popular with the girls at Yasaka High School, his eyes are on only one person: Aki Adagaki - the very girl who broke his heart.
With the help of his "master", Aki's personal maid, he is able to get closer to Aki. However, there has been more than one interference in his plot for revenge.