Overview: Struggling manga artist Satoru leads a mundane life, yet has the innate ability to travel back in time to prevent imminent tragedies.
Overview: After Satoru discovers his mother brutally murdered in his apartment, he goes back 18 years in time, before classmate Kayo's kidnapping and murder.
Overview: As Satoru relives his childhood days at school, he befriends Kayo and stays by her side on March 1 to thwart the kidnapping that would take her life.
Overview: Unsure if Kayo is alive, a distraught Satoru is suddenly sent back to the present, where the police search for him as a suspect in his mother's murder.
Overview: Satoru meets with Sawada, a former colleague of his mother, who is also looking for a connection between her murder and the kidnappings from the past.
Overview: Kayo shows her friends the bag that the angry stranger stashed inside the bus. Inspired by Satoru, his mother and teacher take action to help Kayo.
Overview: Satoru and his classmates struggle to befriend a lone student from another elementary school whom they fear will be the kidnapper's next target.
Overview: Satoru pursues the alleged kidnapper with the aid of his teacher. Years later, former classmate Kenya agrees to help Sawada find the true culprit.
Overview: Satoru awakens, realizing he has no memory of the past nor his ability. With his former classmates' help, he pieces together his forgotten past.
Overview: Satoru becomes aware he has two different memories of the same timeline. Struggling to make sense of it all, he hopes a visit with Airi will help.
Overview: Together with Kumi, Satoru visits a physical therapy camp hosted by Councilman Nishizono, a new alias of a person from long ago.
Overview: In the altered present, Satoru comes face to face with the killer, who has been plotting to put an end to the twisted game he started 15 years ago.