Naked chick

In a classroom setting, a group of four anime characters are gathered around a mat on the floor, where a character with pink hair sits cross-legged while a character with green hair kneels beside her. The scene progresses as the green-haired character's face is shown in close-up with a shocked expression, followed by a shot of a bare foot, and culminates in a close-up of the pink-haired character's face, which is flushed and smiling widely, while the green-haired character has blood coming from their mouth and nose, indicating a sudden, painful impact.