Shinobu Kasagi returns, having finally resolved to undergo her ultimate training session. Her slightly more mature body is touched directly, erotically manipulated with ropes, and verbally taunted, guiding her deeper into the core of her masochistic nature. Blushing from intense, real pleasure, she drools heavily around the ball gag as Shinobu is progressively degraded. Why does she remain so irresistibly adorable even under such cruel treatment?