The Gun Knight of the White Star Dragon King

Knight? Sorry, that is no longer popular in this era. The young dragon looked at the contractor who looked like a dead fish, and his eyes gradually lost light. Please, I just want to be a quiet otaku, and the inexplicable forced conclusion of the contract is not my fault! ... This book is also known as "The Knight of the White Star Dragon's Resentment", "It's not my fault no matter what I think", "About hugging my sister's thigh and becoming the strongest in the world!" "Wait.