29-year-old Satoru Fujinuma is sent back in time 18 years to prevent the events leading to his mother’s death, which began with a series of kidnappings while he was in 5th grade. Satoru Fujinuma is a struggling manga artist who has the ability to turn back time and prevent deaths. When his mother is killed he turns back time to solve the mystery, but ends up back in elementary school, just before the disappearance of his classmate Kayo.