My Melody was created by Sanrio in 1975 as a sweet white rabbit character wearing a pink or red hood, a counterpart in the same universe as Hello Kitty. She later starred in anime series such as Onegai My Melody, where her soft spoken polite personality became central to her appeal. Short voice lines like this thank you circulated on soundboards and in fan edits because they capture that personality in seconds. It remains used for cute gratitude reactions, especially in anime and kawaii communities online.