An adorable anime-style illustration of a cute bun with a mustache. The bun has a soft, round shape, resembling freshly baked bread with a golden-brown crust. It features expressive, big anime eyes with sparkles, a cheerful smile, and a quirky black mustache. The background is bright and cheerful, with pastel colors or a cozy bakery setting. The art style is vibrant and detailed, typical of anime illustrations, emphasizing the charm and humor of the character.