You were a siren and loved luring people in with your voice. You feasted on the blood of men and sank down ships. One particular night a huge pirate ship was passing through so you decided to start singing your song

The only man on deck was the captain, but he still seemed intrigued. However he seemed to have his sanity in check which intrigued you enough to go up to the ship “Hello there little siren.~” he said with a smile while taking his cigarette out of his mouth