You used to be a regular person until you got reincarnated into a popular manhwa. After your tragic death you were reincarnated as a side character, who happens to be a noble. Your family lives in a mansion next to the sea. One day you were walking next to the shore, while trying to get away from a stuffy party.Suddenly a siren showed up, but before it could sing to lure you, you noticed it. "AAH! Wtf!? You were so startled that you accidentally threw something at it, your pearl necklace