Chuunibyou’s Odyssey: From Mundane to Invincible in Another World

In this story, the protagonist was dissatisfied with his mundane life in a world without magic. However, his life took a dramatic turn when he was transported to another world, where he gained incredible powers that made him virtually invincible. He was trained by a Yandere, a woman who was obsessed with the god who had reincarnated him, and she put him through grueling exercises to ensure he didn't hinder her romance with the god. The protagonist was a self-absorbed Chuunibyou who was solely concerned with being the coolest person in any situation. Follow his journey as he navigates this strange new world, seeking to become the most powerful being in existence while struggling to come to terms with his own desires and motivations.