Dragon Clan: Accidentally Transformed into the Red-Eyed Dragon King?

A young boy accidentally travels to the world of dragons and lives for 10 years. He is a poor C-level descendant and hopes to be discovered by the academy. He comes to the scene of the dragon slaying operation... When he was seriously injured and on the verge of death, a girl with silver hair and red eyes appeared in front of the boy. "Human, do you want to live? I will give you invincible power." Inherit the power and live on!