Tsuukin Kairaku Chikan de Go! by Haoh - Adult Sex Game

When men and women squeeze into the train for the morning ride, they rub against each other, thereby creating a supportive environment. They find a woman and begin to feel her smoothly. Women, at first embarrassed, understand that there is no way out of a moving train, and indulge in vicious passions. Soon the whole train is charged with sexual energy, and strange drops of moisture can be seen on the floor.