Is Kotone Toua-chan a sadist, or a masochist? A student mercilessly whips her innocent, clinging younger sister... Kotone-chan's attitude changes completely depending on her brother and teacher! However, Kotone-chan's perverted, slutty behavior is only possible because of her spirit of service to men. Which SM Kotone-chan do you fantasize about? [※This work is an image video.]
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