Ore o Ijimeteta Jimoto Yankee no Kyonyuu Kanojo o Netotte Fukushuu o Hatasu Hanashi The Motion Anime

Six years ago, the protagonist was bullied by a high school student named Taiga Yamamoto. He didn't know what he had done to him. Every day, the bullying, blackmail, and beatings continued. That's how the hero spent most of his middle school years. Transferring to high school, he decided to take revenge on his abuser. Yamamoto had a girlfriend Yuka, who was quite nice and beautiful with a great figure. The hero decided to take revenge on his bully by using Yuka....