Is 'Edens Zero' Connected to 'Fairy Tail'?

Fans have been trying to figure out for years if the mangas 'Fairy Tail' and 'Eden's Zero' are connected. Turns out, it's a pretty complicated relationship.

Fairy Tail

EDENS ZERO 19 by Hiro Mashima - Penguin Books Australia

Things Edens Zero Does Better Than Fairy Tail

Edens Zero: 5 Ways It's Exactly Like Fairy Tail (& 5 It's

Edens Zero+Fairy Tail+Rave Master counterparts : r/EdensZero

Is 'Edens Zero' Connected to 'Fairy Tail'?

Can some explain the connection of Fairytail Happy to EdensZero

Crossover - Rave Master - Edens Zero - Fairy Tail 2K wallpaper

Are Fairy Tail and Eden's Zero crossover? - Quora

Is 'Edens Zero' Connected to 'Fairy Tail'?