Watch what happens when a bullet train rolls into Tokyo Station. The whole turnaround? Just 12 minutes. Passengers off: 2 minutes. Passengers on: 3 minutes. That leaves only 7. In those 7 minutes, a cheerful crew of 22 brings about 1,000 seats back to life. Every tray wiped shiny. Every seat spun to face forward. Floors swept, bathrooms reset, headrest covers swapped fresh. They move like a happy dance — quick, smiling, completely in sync. And when they finish, they line up on the platform and bow to the departing train together. Travelers stop to watch. Phones come down. People grin without meaning to. Not because anyone told them to perform. Because they take real pride in making the next person’s ride feel fresh and welcoming. Seven minutes. Twenty-two people. One gleaming train rolling out exactly on time. You feel that care the second you sit down — and your whole trip starts a little warmer.