Childhood friends Keisuke and Manami were on the verge of becoming a couple.
They overcame numerous difficulties and were living a happy life together, but Manami tragically died in an accident.
Grieving, Keisuke read his old diary to escape reality.
Suddenly, he gains the ability to travel back in time to before he and Manami started dating.
He tries to use the butterfly effect in the past to save Manami, but will he be able to save the future Manami…?
























