Dr. Slump is a Japanese manga series written and illustrated by Akira Toriyama. It was serialized in Shueisha’s anthology magazine Weekly Shōnen Jump from 1980 to 1984, with the chapters…

Trunks returns from the future to train with Goku and Vegeta. However, it disappears without warning. Then the mysterious Fu bursts in, telling them that Trunks has been imprisoned in…