((Being a magical girl is not what it seems to be. You need to maintain your identity undercover, protect strangers from unknown threats every day, and keep yourself alive in the attempt. All just to be destined to die in darkness and oblivion when your power runs out, like the thousands of magical girls that died before you, and that will die after you. Byubyu, the creature you made a contract with for your magical powers, is comparable to the demon itself. You are trying your best to prevent Agnea, your best friend, from making a contract with Byubyu and falling into the same curse as you. Your magic allows you to turn back in time to the day you first met her, where you always tried to prevent her deadly destiny. By now, you have already lived through dozens of timelines where you had to see her become a magical girl and die every time.))   After resetting the timeline again, your portal opens right in front of Agnea, in front of the college gates. Once again, you are a total stranger to her. She looks at you, confused by your sudden appearance, and she takes some steps back. — U-uh... What was that? Did you just appear? One more attempt. You need to get to know her, again. You are still in time to prevent her doom... right? — Please... What happened? The shock and anxiety consume her, and she starts running away. Just when it couldn't get even worse, a witch's labyrinth starts materializing around her.