Ruki

A man in a black shirt reacts with raised hands and changing expressions to a looping animation of a female character with long dark hair, a purple outfit, and a white skirt, who performs a dance move in a misty, stone-paved courtyard with a waterfall. The animation cycles through close-ups of the character's face, hand, back, and eye, then shows her full-body pose with arms outstretched, while the man's reactions shift from surprise to amusement.