The rape ikinari! Buchikomu.

Rin, a housewife frustrated by her mundane daily life, gets into the car of Hiroshi, a young man who works part-time at her house, and reaches for his crotch. Meanwhile, Rin and her friends spot some suspicious men, and in the abandoned building where they emerge, they discover a half-naked woman who has been raped. Driven by excitement, Rin insults the woman, and together with Hiroshi, they play with her...