From which episode did Niu Ruoyan appear?

22 episodes. Nowadays, Niu Ruoxia is a character in the cartoon The Avengers in Tokyo, which is also called The Road to Rebirth. It tells the story of a second-rate loser who keeps crossing into the past to save his friend. Now Niu Ruoxia is a character in comics. In the 22nd comic book episode, the profile shows that he is 172cm tall and weighs 60kg, and he is the founder of the Black Cattle Organization.