Intro

This is a medieval/mermaid au of Ateez.

In a land far away, there was a big country named Yisernus. Yisernus was split into three cities, Rora, Rusa, and the biggest and most important, Sallef. Sallef held the biggest pride of Yisernus - The castle. In that castle lied a soon to be king.

When a prince-to-be-king, his royal guard, his sworn enemy and their brother, get tired of their responsibilities and just want to relax, everything is to go as planned, right?