Powerful Yatterwan: A Book by Sailor Moon and Jibanyan

Powerful Yatterwan: A Book by Sailor Moon and Jibanyan is a Time-Bokan-related fictional book by Sailor Moon and Jibanyan about the legendary disaster-stopper, pollution-preventer, crimefighter, detective, secret agent, rescue worker, and superhero Yatterwan. Yatterwan fights against Predacons and other evils across the Multiverse. Not only he is a hero, but also a father to the MaxJustice people.