Tsumugi Akari, the son's friend Hiroki, happens to be into photography as a hobby. When they coincidentally meet, Tsumugi agrees to be his model. Noticing his gaze lingering on her cleavage, she playfully flaunts it, teasing him. Unable to resist, he gets aroused, and she playfully approaches him. However, no matter how much they pleasure each other, his passion doesn't subside, and he continues to violate her repeatedly. Day after day, her body, both physically and mentally, becomes overly sensitive from the constant violation, and finally, Tsumugi's body screams in agony...