If I Want to Save the World, There Must Be Something Wrong with My Head.

This is a story that takes place in a magical world with a serious side of seriousness. Born into a noble family and possessing huge magical power, I am the recognized next heir of the family, but I only want to live a carefree life like a good-for-nothing. It wasn't until that day, when my father sent me to the academy that I would never forget in my life, that I discovered the "truth" about myself. I had caused the destruction of the world countless times. In order to make up for my mistakes, I embarked on a journey to save the world again and again...