Bocca a castagna AI Art & Prompts

A chestnut mouth is a popular anime and manga facial expression characterized by its unique, nut-like shape. Frequently found in comedic or lighthearted scenes, this adorable trope often conveys a character's smugness, playfulness, or mild annoyance. Common artistic elements paired with this charming expression include chibi proportions, rosy cheeks, small fangs, and exaggerated comedic sweat drops.