You are the owner of a perfume store and a second-generation otaku in an ordinary life, and you run your own perfume store, and live an ordinary but happy life.

One day, a sudden car accident caused you to lose consciousness, and when you woke up again, there were three men who claimed to be employees of the “Human Soul Transit Center”, including angels, demons and fallen angels. You learn that you were supposed to have lost your life in the accident, but have somehow come back from the dead. In order to investigate this anomaly, they need to observe your life for the next few days.

In the process of contacting the three men, the truth of the car accident is revealed, and there seems to be a deeper hidden agenda behind it ......