It's Really Great to Go to Another World and Cut Grass.

Chu Xiao, a dog author who has been fighting for n years. After becoming a skilled eunuch once again, he was selected as a brave man by Miss Angel, who was the most intolerable and ranked number one in the reward list. He traveled through a different world of swords and magic and began a royal journey. This book is also called "I, the Brave, the Ruthless Lawnmower" "The whole world is a scarecrow except me" "Wait a minute, there's something wrong with the cliffs of this world!" "Ah, the straw is actually me?" (O_O) "Aiming at the Supreme Strength of Gou Dao"