In recent years, it is said that the number of unfaithful girls has increased rapidly. Koharu-chan, a 100% transparent girl who looks good with short cuts, also repeats unfaithful acts with her friends while having a boyfriend, contrary to her appearance. A disappointing boyfriend who noticed it commits her in front of an adulterous man, and plots a plan to show off her writhing appearance by poking violently with a cock. Friendship is fragile but torn apart over one girl.
