A boy with extraordinary strength is transported to the world of Dragon Clan. Faced with Kassel Academy's enrollment guidance, Lu Chen is at a loss. In a car full of young dragons, he is the only one who is not a mixed-blood... How to pass the 3E exam? Online waiting, quite urgent! This is the story of a boy gradually becoming the big boss of Kassel Academy. PS1: Semi-invincible flow, no abuse, no knives, trying to capture the essence of youth without regrets. PS2: He will obtain dragon bloodline later. PS3: The Dragon Clan part is very long, just read it as a fan fiction. Reader group: 629880863