ERASED

Release boundary: Season 1

In 2006, struggling manga artist Satoru Fujinuma works as a pizza delivery driver while living with an involuntary ability he calls Revival. Whenever a deadly incident is about to occur nearby, he is sent several minutes backward and must identify what changed. During a delivery, he notices a runaway truck and prevents it from striking a child, though the rescue leaves him injured. His mother, Sachiko, comes to stay with him while he recovers and brings up a series of child kidnappings from Satoru's hometown eighteen years earlier. Soon afterward, another Revival occurs outside a supermarket. Satoru cannot locate the danger, but Sachiko spots a man attempting to lure away a young girl and disrupts the attempt. Her suspicions lead her to connect the stranger with the old murders. Before she can report what she has realized, she is stabbed in Satoru's apartment. Satoru discovers her body, is seen at the scene, and becomes the apparent suspect. As he flees the police, Revival activates on an unprecedented scale, returning his consciousness to 1988 and his eleven-year-old body.

Satoru awakens in 1988 as an elementary school student, retaining his adult memories but forced to behave like a child. Seeing Sachiko alive confirms that the long Revival is connected to preventing her future murder. He studies his surroundings for the event that must be changed and focuses on Kayo Hinazuki, a quiet classmate who became one of the kidnapping victims. Satoru notices bruises on Kayo and remembers that she disappeared before their shared birthday in March. His unusually direct attention initially unsettles her, yet he tries to learn about her life instead of leaving her isolated. Kenya, one of Satoru's observant friends, points him toward an essay Kayo wrote about a town in which only she is absent. The essay's loneliness strengthens Satoru's belief that she is suffering both at home and among her classmates. When Kayo asks whether he would be willing to kill for her, he rejects the idea but promises to help. He then invites her to his birthday party, deciding that creating a genuine connection may be the first step toward altering the sequence that led to her disappearance.

Satoru tries to determine the exact day Kayo vanished, knowing only that it happened before their March 2 birthday. During a school skating race, he deliberately avoids surpassing a talented classmate because he fears changing unrelated events, but his hesitation disappoints Kayo and creates friction with the other boy. After repairing the misunderstanding, Satoru confirms Kayo's birthday with their teacher, Gaku Yashiro, and concludes that March 1 is the critical date. He visits Jun Shiratori, the friendly delivery worker later blamed for the kidnappings, and remains convinced that Jun is innocent. Satoru then goes to Kayo's home and discovers her locked in a freezing storage shed with visible injuries. The encounter confirms that her mother, Akemi, is abusing her. Yashiro explains that school staff and child welfare officials have suspected abuse but lack decisive evidence and have been unable to remove Kayo. When classmates accuse Kayo of stealing lunch money, Satoru publicly defends her. Later, he takes her up a snowy hill to see trees glittering with frost, giving her a rare peaceful memory. The episode ends with Satoru more determined to protect her before March 1 arrives.

With one week remaining before March 1, Satoru concentrates on keeping Kayo connected to other people and away from situations where she can be taken. He invites her to the local science center, but Akemi initially refuses permission. Sachiko intervenes calmly and persuades Kayo's mother to let her go. At the center, Satoru and Kayo spend an ordinary day together, yet familiar conversations give Satoru an uneasy sense that he may be reproducing events from the original timeline rather than changing them. He continues accompanying Kayo and watches the date closely. March 1 finally passes without her disappearance, and Satoru believes his attention has broken the pattern. On March 2, he and Kayo celebrate their shared birthday with classmates. Kayo receives gifts and experiences the warmth of being included, while Satoru allows himself to think that his plan has succeeded. The relief lasts only until the following school day. Kayo's desk is empty, and the teacher announces that she is absent. Faced with the possibility that the abduction merely occurred later than before, Satoru realizes that passing the predicted date was not enough to guarantee her safety.

Kayo remains absent from school, and Satoru gradually accepts that the kidnapping still occurred despite the changed date. He blames himself for relaxing after March 1 and for failing to remove her from danger completely. Soon another girl, Aya Nakanishi, also disappears, showing that the broader sequence of crimes is continuing. At Kayo's home, Satoru sees Akemi discard her daughter's belongings, including unfinished knitted gloves, and the sight overwhelms him. Revival abruptly returns him to 2006, where he is still wanted for Sachiko's murder. He runs from the police and encounters Airi Katagiri, his teenage coworker. Airi believes that Satoru is innocent and hides him in her home. Together they compare what he remembers with the recorded history and discover that his actions in 1988 altered small details, even though Kayo still died. Satoru investigates the old case while Airi resists pressure from their manager to report him. After Satoru relocates to avoid exposing her, someone sends Airi a message from Sachiko's phone. She returns home and becomes trapped when the house is deliberately set on fire, leaving Satoru racing toward the blaze.

Satoru reaches Airi's burning house and enters despite the danger. He finds her unconscious and begins carrying her out until their manager arrives and completes the rescue. Before they separate, Airi slips her phone into Satoru's pocket, preserving a message connected to the attacker. Using a note Sachiko left behind, Satoru contacts Sawada, a former television reporter who once worked with her. Sawada explains that Sachiko called shortly before her death because she had identified the person behind the child murders, but she was killed before naming him. Reviewing the old cases, Sawada argues that the real killer repeatedly selected convenient suspects and manufactured evidence against them, including Jun Shiratori. Satoru studies a list of people investigated at the time and recognizes that the culprit likely stayed close enough to observe both the victims and the investigation. Meanwhile, Airi avoids police surveillance by having her mother take her place at the hospital. She meets Satoru and reports that a man called Nishizono may be linked to the fire. Their reunion is cut short when officers surround Satoru and arrest him. As he is taken away, he sees the same hat-wearing man who fled his apartment after Sachiko's murder.

While police transport him, Satoru sees the suspected killer among the onlookers and refuses to accept that the case will end with his arrest. His determination triggers Revival again, sending him back to February 28, 1988, four days before the danger date. This time he immediately treats the rescue as a coordinated effort rather than a private burden. Kenya confronts him about his unusual behavior, reveals that he has also noticed Kayo's abuse, and agrees to help. After Satoru and Kayo's birthday celebration, Satoru creates a police disturbance at Jun Shiratori's home so Jun's location will be officially documented. Angry and desperate, Satoru then considers attacking Akemi, but Kenya stops him and insists that protecting Kayo cannot begin with another crime. Satoru changes course and asks Kayo to consent to being temporarily 'abducted' by her friends. Satoru, Kenya, and the others hide her in an abandoned bus on school property, supplying food and checking on her while authorities notice her absence. Their plan keeps her away from both her mother and the unknown kidnapper. One night, however, an unidentified adult enters the bus while Kayo is alone, forcing her to hide silently.

Kayo avoids discovery when the intruder enters the abandoned bus and leaves without finding her. She later tells Satoru and the others what happened. They inspect a bag and boxes left behind and uncover rope, tape, tools, and charcoal briquettes. Satoru recognizes the materials as items used in the original timeline to frame Jun Shiratori and murder Kayo, proving that the bus is not a safe refuge and that the killer is actively preparing another attempt. Meanwhile, Kayo's continued absence finally draws serious attention. Yashiro and child welfare officials visit her home, while Sachiko notices the changes in Satoru's behavior and understands that he is protecting Kayo. Satoru brings Kayo to his own house for the night. Sachiko accepts the situation without demanding an impossible explanation and prepares a place for her. The next morning, Kayo sees a full homemade breakfast waiting for her and begins to cry because she has never experienced such ordinary care. Rather than continue hiding, Satoru and Sachiko decide to confront the abuse directly. They accompany Kayo back to her home, prepared to involve the adults and authorities needed to remove her from Akemi's control.

Satoru, Sachiko, and Kayo return to the Hinazuki home, where Akemi reacts violently to their intervention and swings a shovel at Sachiko. Yashiro arrives with workers from the Child Consultation Center, allowing them to witness Akemi's aggression and establish immediate grounds to protect Kayo. When Akemi threatens to report Satoru's three-day concealment of Kayo as a kidnapping, Yashiro introduces Akemi's estranged mother. She acknowledges that she failed to support Akemi after Akemi left an abusive husband and struggled to raise Kayo alone. Her apology breaks through Akemi's rage, and Akemi collapses in remorse. Kayo is placed with her grandmother, ending the danger inside her home. Satoru knows, however, that saving Kayo does not stop the unidentified killer. He turns his attention to the other original victims, classmate Hiromi Sugita and nearby student Aya Nakanishi, and works with his friends to keep them from being isolated. During a ride with Yashiro, Satoru notices a large supply of candy hidden in the teacher's car, an odd detail that unsettles him. Later, he and his friends revisit the abandoned bus and find that the suspicious materials have been removed.

Satoru and his friends approach Aya Nakanishi so that the next known target will no longer be alone. Aya initially rejects them, but Kazu's straightforward invitation persuades her to visit their hideout and join the group. With Kayo living safely away from Akemi, Hiromi surrounded by friends, and Aya included in their activities, Satoru believes the original three victims have moved beyond the killer's reach. He remains worried that the murderer may simply choose someone else. Misato Yanagihara, whose earlier hostility toward Kayo has left her ostracized, becomes the most isolated child in their class. Satoru follows her to an ice hockey game, intending to prevent another opportunity for abduction. When Misato disappears after going to the restroom, he sees a truck associated with Jun Shiratori's family leaving the arena. Satoru asks Yashiro to pursue it, trusting his teacher to help. During the drive, Yashiro reveals that Misato was only bait and that he arranged the truck to draw Satoru into the car. He admits that he is the killer whose plans Satoru has disrupted. Yashiro traps Satoru inside the vehicle, sends it onto a frozen lake, and watches it sink beneath the ice.

Satoru survives the submerged car but awakens in 2003 after spending fifteen years in a coma. His body has matured, and Sachiko has devoted those years to caring for him, but his memories of the kidnappings and Yashiro's attack are missing. He begins rehabilitation and slowly reconnects with the life that continued without him. Kenya and Hiromi visit, followed by Kayo, now an adult carrying her infant son. Seeing that the people he protected were able to grow up moves Satoru deeply and strengthens his determination to recover. At the hospital, he befriends Kumi, a young leukemia patient preparing for a bone marrow transplant, and encourages her when she is frightened. A politician named Nishizono visits the hospital and reveals himself to be Gaku Yashiro, Satoru's former teacher. Satoru continues speaking with him while fragments of the past return. Yashiro takes a particular interest in Satoru and Kumi as the surgery approaches. On a rainy day, he invites Satoru to the hospital roof and begins recalling events from 1988. Satoru's expression changes, and he directly addresses Yashiro, declaring that his lost memories have returned.

On the hospital roof, Satoru confronts Yashiro with his recovered memories. Yashiro explains that the earlier murders can no longer be prosecuted and reveals a new plan: he has tampered with Kumi's intravenous medication, intends to kill her, and will frame Satoru before making Satoru's death appear to be suicide. Satoru remains calm and states that Yashiro cannot bring himself to live without the person who continually challenged him. To prove it, Satoru propels his wheelchair toward the roof's edge. Yashiro instinctively catches him and admits that Satoru's existence has given his own life meaning. He eventually releases the chair and prepares to jump as well, only to discover that Satoru has landed safely on a rescue mat. Kenya, Hiromi, Sawada, hospital staff, and police were cooperating with Satoru, and Kumi's treatment was protected. Yashiro is arrested for the attempted murders. Seven years later, Satoru is walking again and has become a successful manga artist. His friends remain part of his life, and the children targeted in 1988 survived into adulthood. Beneath a familiar bridge, Satoru unexpectedly meets Airi, giving him a renewed connection to the future he once lost.