Plot Analysis Summary
After losing a decade of memories, Sakumi investigates her past and confronts love, grief, and the comfort of family.
Story Structure — 5 Plot Phases
Waking Into an Unfamiliar Present
After a traffic accident, Sakumi wakes in the hospital and learns that she has lost memories from a decade of her life. Her family introduces her to Mika and reconnects her with Yoshihiko.
Key Events
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Sakumi Wakes in Hospital — After a traffic accident, Sakumi wakes confused about the season and the changes in her life. Characters: Sakumi Shimura
Location: Hospital
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Memory Loss Explained — Doctors explain that Sakumi has lost memories formed between age seventeen and the accident. Characters: Sakumi Shimura
Location: Hospital
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Family Introduces Mika — Sakumi's family introduces her to Mika and to people in her life. Characters: Sakumi Shimura, Mika Shimura, Koji Shimura, Mieko Shimura
Location: Hospital
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Yoshihiko Reappears — Sakumi reconnects with Yoshihiko, a former classmate who has stayed close to her. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Hospital
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Discharge from Hospital — Sakumi is discharged and begins encountering people and places from her life. Characters: Sakumi Shimura
Location: Hospital
A Past She Cannot Recall
After leaving the hospital, Sakumi reunites with old friends and hears of a former classmate's death. She feels oddly free of her missing years, although others remember that those years held painful experiences.
Key Events
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Discharge from Hospital — Sakumi is discharged and begins encountering people and places from her life. Characters: Sakumi Shimura
Location: Hospital
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Friends and a Loss — Sakumi reunites with old friends and learns that a former classmate she cared about died the previous year. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Unspecified place connected to Sakumi's life
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A Strange Sense of Freedom — Sakumi feels strangely free without the memories of her missing decade. Characters: Sakumi Shimura
Location: Unspecified
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Painful Past Hinted — Sakumi learns that people around her associate the missing years with painful experiences she cannot recall. Characters: Sakumi Shimura
Location: Unspecified
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Revisiting Old Places — Sakumi and Yoshihiko revisit places from her past as she questions what she has lost. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Places connected to Sakumi's life
Clues in Familiar Places
Sakumi and Yoshihiko revisit places connected to her life and question what her lost memories mean to her. Their inquiry examines the clothes she wore and a painting she tried to discard.
Key Events
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Revisiting Old Places — Sakumi and Yoshihiko revisit places from her past as she questions what she has lost. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Places connected to Sakumi's life
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Questioning the Missing Memories — Sakumi wonders whether she wants her lost memories back. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Places connected to Sakumi's life
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Investigating the Accident — They investigate the accident, including the clothes Sakumi wore. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Unspecified
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The Discarded Painting — Their investigation also examines a painting Sakumi had tried to discard. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Unspecified
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A Different Encounter Date — Sakumi discovers that she had been with a woman shortly before the crash, not on the date she assumed. Characters: Sakumi Shimura
Location: Unspecified
The Collision Behind the Loss
A clue leads Sakumi and Yoshihiko to a driver who describes an earlier collision involving a car driven by the artist Sakumi loved. The disclosure connects Sakumi to the crash and revives grief and jealousy.
Key Events
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A Different Encounter Date — Sakumi discovers that she had been with a woman shortly before the crash, not on the date she assumed. Characters: Sakumi Shimura
Location: Unspecified
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A Clue Leads to a Driver — A clue from their inquiry leads Sakumi and Yoshihiko to a driver. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Unspecified
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Earlier Collision Revealed — The driver says his truck struck a car driven by the artist Sakumi loved, with Sakumi also in the car. Characters: Sakumi Shimura, Yoshihiko Hosomi
Location: Unspecified
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Grief and Jealousy Return — The revelation revives grief and jealousy connected to the artist's death. Characters: Sakumi Shimura
Location: Unspecified
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Claiming the Painting and Hat — Sakumi insists that the painting and a hat belong partly to her. Characters: Sakumi Shimura
Location: Unspecified
Grief, Love, and Reassurance
Sakumi claims a connection to the painting and hat, then confronts the woman who also loved the artist. She accepts that she loved him and mourns his choice, before finding comfort in Mika's reassurance.
Key Events
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Claiming the Painting and Hat — Sakumi insists that the painting and a hat belong partly to her. Characters: Sakumi Shimura
Location: Unspecified
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Confronting the Other Woman — Sakumi confronts the woman who also loved the deceased artist. Characters: Sakumi Shimura
Location: Unspecified
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Acknowledging Unreturned Love — Though her memories remain unclear, Sakumi knows she loved him and mourns that he chose someone else. Characters: Sakumi Shimura
Location: Unspecified
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Mika Offers Comfort — Sakumi says she wants to become a good person, and Mika assures her that she already is. Characters: Sakumi Shimura, Mika Shimura
Location: Unspecified