There are nine men and a single woman called Chikan Jyu Nin Tai (the 10 molesters). They fulfill the dreams of clients who want to molest women on the train. They make a wall of their members so no one can see whats going on, and they use various molesting techniques to make the woman get off, after this the woman ends up with a 10,000 yen bill in their hand to be quiet about the situation. They bring the client to his dream world at the price of 1,010,000 yen, 100,000 for the ten members and 10,000 for a woman to shut her mouth.
Chikan Juunin Tai 1

Under the guise of the “Chikan Jyu Nin Tai,” ten men—led by a mysterious woman—fulfill forbidden fantasies on crowded trains. Using their bodies to conceal the act, the group employs expert techniques to arouse their unsuspecting female victims to pleasure, leaving them stunned yet silenced by crisp 10,000 yen bills. For a steep price of over a million yen, desperate clients purchase the illusion of dominance, indulging in their darkest desires surrounded by willing hands and unrestrained lust.