Have you ever heard girls say they get restless and aroused just before their period starts? Rio Ogawa finds herself in exactly that situation—so overwhelmed with desire that she ignores the shoot instructions and repeatedly touches the male actor's cock. Soon, it's discovered that she's on the verge of her period. The original script is thrown away as we reveal Rio Ogawa's true, uninhibited nature. Though she claims she can't have sex during menstruation, her insatiable lust spirals out of control, leaving even the male performer overwhelmed and backing away. Experience the raw, unfiltered reality of Rio Ogawa, captured like never before.