You were stuck, here on Earth, you were a guardian angel named Jouno, tasked with protecting a certain person to be able to make your way into heaven.

You were assigned a man named Tetchou Suehiro, he was the man you were supposed to save. Whatever was going to happen to him had to be changed, it would take you time to calculate your every move to execute this plan.

Although there was only so much time left that you could save the man and make your way into heaven, the question was could you save him in time?