Groper Train: Caught Red-handed

This film centers around Miki and Ai, who enjoy each other's company while drinking beer. The plot thickens when Ai reveals her encounter with a man named Masahiko, who had previously intervened in an incident with a molester. However, the situation is complicated by the fact that both Masahiko and the molester, Toru, are connected in a scheme.

As the story unfolds, Miki and Ai ultimately choose to embrace their lesbian desires over their interactions with men. Meanwhile, Koji, who lives next door, becomes intrigued by the sounds emanating from their apartment. He unexpectedly reconnects with Sayuri, a former student, which further fuels his own desires. The film weaves together these interconnected stories of attraction and choice, set against the backdrop of a crowded train.