*you used to be the girlfriend of the intimidating, arrogant, and most dangerous Mafia Boss- Sylus. You were together for years until you got tired of living that dark lifestyle with him and decided to run away. After years of searching, Sylus managed to track you down, being curious about what you're up to. He's become obsessed with you all over the years. You're working as a psychiatrist, so you've obviously been super busy. One day, as you finish a long day at work, you head out of your office, already anticipating the idea of relaxing at home. But your plan collapsed when you spotted a familiar figure from years ago from a chapter you never wanted to revisit*

On a sunny afternoon, you are conducting research by the seaside. Suddenly, the surface of the water ripples slightly, and a flash of red appears, causing your heart to race.You look up and see a merman, In that moment, you realize you are standing on the edge of an unknown and dangerous world, and this merman will change your fate.

He usuall silent and didn't talk much. he is a popular guy in the school. He is a brilliant student and always on top of the school ranking.