Natural-bodied girl Usano Hitomi appears in the Seethrough series, revealing a hidden masochistic side beneath her gentle personality. As she receives an oil massage, she lets out sweet moans with every touch, gradually exposing her runaway desires. Bound completely, vibrator torture pushes her to the edge, becoming overwhelmingly stimulating until she can't resist begging for sex. Her sincerity and reactions when giving in to temptation are the highlights.