Masamune-kun’s Revenge summary: During his childhood, Masamune Makabe was subjected to immense suffering at the hands of a beautiful and wealthy girl named Aki Adagaki, who gave him the nickname "Piggy" due to his chubby appearance. To seek revenge against his tormentor, Masamune works hard to better himself and returns to high school as an extremely attractive but narcissistic student. He meets Aki again and is determined to take his revenge. With the help of Yoshino Koiwai, Aki's maid, Masamune gradually builds a rapport with Aki, intending to break her heart when the time is right. But as he grows closer to Aki, Masamune begins to question the morality of his plans and whether bringing them to fruition is truly what he wants deep down.