深海の探偵

One day, a case landed at a detective agency, a request to search for a missing family member.

The only clue pointed to a mysterious place known as "Mermaid Island." For ages, an eerie rumor had swirled around this island that people were being abducted by mermaids.

The detective and his assistant boarded a ship to solve the island's mystery.

[Translated from Novelgame]