A mermaid goes to school in the deep sea.
A song that has been praised for thousands of years, a giant sword of thorns that swallows life.
A campus where monsters frequently appear, an alien time and space that reverses time.
The little mermaid has applied for a land study visa.
Officially came to the monster campus to study ancient magic texts.
Make friends with a bunch of monsters,
Fight monsters, catch ghosts, solve secrets, explore secret realms, upgrade,
Stop by the United Nations to deliver an environmental speech.
Um? You can also save the prince!
Purpose: Protect the marine environment and do a good job in garbage recycling