Character Relationship Map: Undo

Characters

• Yukio (played by Etsushi Toyokawa) — protagonist

  Moemi's partner, who brings home turtles as an alternative pet and tries to comfort her through changes in their domestic life. He becomes concerned about her compulsive knot-binding, consults the Psy...

• Moemi (played by Tomoko Yamaguchi) — supporting

  Yukio's partner, whose repeated knot-binding becomes the central source of conflict in their relationship. She describes the knots as representing their love and is diagnosed by the Psychiatrist with...

• Psychiatrist (played by Tomorowo Taguchi) — supporting

  The clinician consulted about Moemi's knot-binding. He calls her condition Obsessive Knot-Binding Syndrome and interprets it as a possible malady of love connected to feeling tied down or distressed b...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Moemi → Psychiatrist (Professional Patient) — The Psychiatrist evaluates Moemi and interprets her behavior as a disorder connected to love.

  The Psychiatrist examines Moemi's repeated knot-binding and identifies it as “Obsessive Knot-Binding Syndrome.”

• Yukio → Psychiatrist (Professional Patient Representative) — Yukio seeks professional interpretation and help for Moemi's condition.

  Yukio consults the Psychiatrist about Moemi's knot-binding and answers questions about their ordinary life and relationship.

• Yukio → Moemi (Romantic Partner) — Their intimate relationship is the central emotional connection of the film.

  Yukio and Moemi share a domestic life, discuss travel together, and Moemi presents the knots as representing their love.

Story Analysis

A domestic relationship becomes psychologically inseparable from knots, binding, freedom, and the fear of emotional distance.

Plot Progression

1. Turtles in the Apartment — Moemi wants a pet, but their apartment forbids dogs and cats. Yukio brings turtles instead, and their domestic play briefly preserves a light mood.
2. A Promise of Escape — After Moemi's dental treatment, the metallic sensation disappears. Yukio proposes a Sunday outing or a distant journey where they can avoid thinking about their problems.
3. The Meaning of Knots — Moemi's repeated knot-binding unsettles Yukio and leads them to a Psychiatrist. The diagnosis frames the behavior as a possible malady of love caused by emotional restraint or distance.
4. Love Under Examination — The Psychiatrist questions whether ordinary life is hurting Moemi. Yukio denies tying her down, yet admits that their relationship has become much looser and begins distrusting the clinic.
5. The Binding Reversal — Moemi identifies the knots with their love, while Yukio rejects them as nonsense. After the Psychiatrist calls her condition terminal and recommends binding, Yukio wakes bound and Moemi is gone.