While masamune makabe changed into a baby, he was rejected by means of a rich, beautiful lady named aki adagaki, who gave him the nickname ”piggy” for being overweight. Devastated, masamune put excellent effort into running out to improve his appearance. Now a handsome but narcissistic excessive school pupil, masamune is decided to exact revenge he will have aki fall head over heels in love with him and in the end reject her the subsequent time they meet.
To his marvel, masamune discovers he has transferred into aki’s school. Putting his plan into motion, masamune first begins to shape a relationship with the ”brutal princess” but, despite his efforts, fails miserably at his initial tries. Shockingly, when masamune sooner or later progresses towards his vengeance, he receives a mysterious letter addressing him by his old nickname. Until masamune discovers the sender’s identity, his plan is doomed before it even begins!