Dragon Ball Super is the most recent entry in the venerable Dragon Ball franchise, with the manga and anime continuing the story of Son Goku and his allies. Nevertheless, some parts of the series' story reach all the back to the original Dragon Ball. This has seen Emperor Pilaf's former flunky Mai become Trunks' love interest, though some fans wonder how old Mai is in Dragon Ball Super.
Source：https://www.cbr.com/dragon-ball-super-how-mai-became-a-child-again-how-old-she-really-is/
