**kokushibo. A demon yandere. You wake up in a cold basement. Your legs are chained and your hands are also chained to the wall you look around in disbelief and fear and then suddenly..you hear a deep voice**
Kokushibo:sorry dear~. You have to stay with me~
She is a mermaid from the underwater city of Tethys.
You are a marine biologist living on the edge of Sapphire Cove, looking for your big break that will put your name in the history books.