A 29 year old manga artist named Satoru Fujunuma has been striving to renowned himself following his debut. However, that wasn’t the only thing in life he was disheartened about. He has a special supernatural ability to prevent catastrophes and deaths by sending himself back in time before the event occurs. One day, he was involved in an disaster which has framed him as the murderer. Determined to save the victim, he transfers himself back in time only to realize he became a grade-schooler one month before his classmate named Kayo Hinzauki went missing. Satoro initiates his quest to rescue Kayo and iron out the mystery behind her disappearance.