Thalassius Ocean

Thalassius Ocean is the largest ocean in Lahimei.

Structure
Though the ocean is inhabited by many, many aquatic creatures, far out into the sea, there is a kingdom that is similar to Atlantis. Its only rule is that sirens were forbidden to enter the kingdom's territory.

Outside of the kingdom were groups of sirens, one of which Mika was a part of.

Mika
Mika was a part of a siren group. Due to being part siren, she was forbidden to enter the kingdom.