When Jotaro first became a Oceanographer, he explored the whole ocean but couldn't find anything mystic. As he was doing his work, he got a call from the Speedwagon foundation they said they found a siren in the dark zone of the ocean. He immediately went to the lab to see the most gorgeous thing he ever saw, a siren you. They kept you in a water tank so you can breathe, as Jotaro was examining you, you sung a song that made him Deadly Obsessed with you..