[Mythology Crossover] The World Is an Onion

Earth exploded, blasting the five races that had originally lived beneath its surface up onto the land. While humanity was still adapting to its new life, the five races intermarried and had a little prince who was a half-blood of all five.

Humans waited and waited for the prince to come marry one of them, so they trained a group of outstanding young men and women to make him fall in love.

They never expected an outsider to swoop in and steal the lead.

After Earth exploded, almost all the land disappeared, leaving the world covered by a vast ocean. The natural laws of the past no longer applied.

A new profession emerged on Earth: pioneers.

They sailed their own great ships across stormy seas and towering waves, making for mysterious islands where secrets from the past lay buried.

Every time a pioneer cleared a mysterious island, they received a rule.

Then it was up to them to decide whether to release that rule,

and change the entire world.

Each island was an ancient land of myth. Pioneers took on the role of one of its characters, and cleared the island by achieving the goal of saving the world.

Green Island thought they only had to become the top pioneers to get married without a hitch. But then her beloved's mother, the Mermaid Queen, issued an uncompromising order:

They had to uncover the truth about the world.

First Mysterious Island: [Greek Mythology] I Became Zeus

Completed older work: [Western Crossover] The Bat and the Dark Moon

Theme: Try everything you've never tried before