Crossover Anime: From Problem Child to Root Magician

Problem children are coming from another world, aren't they? → Touhou Gensokyo → The Seven Deadly Sins → High School DxD → FGO → A Certain Magical Index → ​​Toriko

This is a fantasy novel featuring an invincible protagonist across various anime worlds. Readers are welcome to discuss and offer feedback. As a new author, my early work might not be great, but I will continue to improve! I hope everyone will have the patience to read on.