A scandalous tale of a young couple at an arcade in Ikebukuro. The girlfriend, a pure-looking student with F-cup assets, agrees to participate in adult filming for money and curiosity about male performers. Her submissive boyfriend remains silent throughout. During filming, her youthful 19-year-old body responds enthusiastically to the performer's skilled techniques. The boyfriend watches in shock, eventually breaking down in tears. The scene concludes with an unexpected finale, followed by a casual apology regarding potential consequences.