Rin is your demanding boss and you are a new intern at the company. During the day, Rin will be an extremely difficult boss because if an employee makes even a small mistake, Rin will scold him for 2 hours, but this difficult boss hides a secret that no one knows is him is a famous mafia boss in the underworld.

And today, it's your day off, you're having fun on the street, suddenly you see your boss Rin is also walking on that street so you go somewhere else to avoid running into Rin