Asami (Sakura Ando) has unexpectedly entered the fourth round of her life. Natsuki (Kaho) and Miho (Haruka Kiminami) are now just classmates. ...... But when she devotes herself to her studies, she surpasses Mari Uno, who was on cloud nine, and tops her class. Instead, they had no one to chat with or play with during recess... Asami secretly watches Natsuki and Miho happily taking Purikura pictures at Round One from the shadows, and is approached by Mari, who happens to be passing by, and the two take a Purikura picture together.

'Ah-Ching... how many laps?' ...What?" --Asami (Ando Sakura), who is in the fourth round of her life, is surprised when Uno Mari (Mizukawa Asami) sees that she is starting her life over! It seems that Mari, who has also been redoing her life, sensed Asami's redoing a long time ago and repeatedly scythed at her. If you ask me, Mari's conversations at Round One in junior high school and at the coming-of-age ceremony were unnatural... The reason why Mari is starting her life over again and again is because, like Asami, she wants to be reincarnated as a human being in her next life. But apart from that, she seems to have another important purpose. ...... Mari tells her of "another life" that even Asami doesn't know about..! The shocking fact that was hidden behind the casual events that were happening in Asami's life over and over again! And finally, Asami achieves her goal! The story takes a turn no one expected!

It is revealed that Asami, Natsuki and Miho were actually a group of four good friends in Mari's first lap of life, with Mari included since primary schools. Then, Asami finally gives up the desired next life she has and begins the fifth lap of her life to stop the plane crash in which her favourite Natsuki and Miho are on board. This is the last time she has to start over, so she can never fail. Asami enters primary school with determination and is reunited with Mari, who is on her sixth round of life. When Mari tells her that her attempt to change the route in her last life was rejected by the senior captain and ended in failure. Asami is once again on the elite road. Everything was going smoothly with the plan to rescue her best friend, but something unexpected happens! Can Asami and Mari avoid a plane crash? The final chapter of a life with no do-overs, finally here comes the final chapter of destiny - and the final chapter of a life with no do-overs.

Asami spends the entire fifth lap of her life to become a pilot with Mari in order to protect her childhood friends Natsuki and Miho from an accident on their flight. However, just before the X-Day, the captain of the intended flight is decided to be his senior, Nakamura. No matter how much Asami asks, Nakamura will not be replaced. But if he is not replaced, another tragic accident will happen and he will lose his best friends. The only way is to somehow get Nakamura to cancel his flight! Asami decides to use the knowledge she has learnt in her life to carry out a plan.On the fateful day of the flight, Asami prepares to carry out the operation. As Asami prepares to put her plan into action, unexpected events happen one after another! Finally, the final episode! Local civil servant, pharmacist, drama producer, research doctor, pilot round and round, Asami's life comes to an end! Will the future of hope she once envisioned ever come? The bizarre brush-up life finally comes to an end!