In the opening episode, the specialized group known as Chikan Juunin Tai assembles to take on their first client seeking a custom scenario aboard a busy commuter train. The nine men and single woman coordinate seamlessly to establish privacy in the crowded car while guiding the experience toward its intended outcome. Their methods ensure the encounter remains contained and concludes with a quiet compensation that maintains discretion for all involved. The client later settles the premium fee, marking the start of their exclusive service.