Tanjiro

A young man with dark hair and a scar on his forehead transitions through a series of facial expressions, starting with a wide, joyful smile, then shifting to a surprised look with wide eyes, followed by a calm, slightly smiling expression, a look of concern, and finally returning to a broad, happy smile. He is wearing a blue scarf and traditional clothing, and the background changes from a plain light color to a darker, more colorful setting.