Character Relationship Map: Kaede

Characters

• Ryo Sunaga (played by Sota Fukushi) — protagonist

  A photographer and the surviving twin brother of Ako's dead partner, Ryo shares a home with Ako and supports her through treatment for double vision as she grieves. He admits that he wants to stay wit...

• Ako Kinoshita (played by Haruka Fukuhara) — supporting

  Ako is grieving her dead partner while living with Ryo, his twin brother. She knows from the beginning that her partner is gone, but familiar messages briefly renew her hope. Years later, she has begu...

• Shigeru Kajino (played by Hio Miyazawa) — supporting

  A friend of the twin brothers, Kajino explains that Ryo's dead brother had been preparing an observatory to search for comets from a place with a clear eastern horizon. He later confirms to Ako that R...

• Hiyori Endo (played by Anna Ishii) — supporting

  Hiyori is Ryo's colleague. She visits Ako in hospital and asks when Ako realized the truth about her dead partner. Their conversation gives Ako the opportunity to explain that she knew from the beginn...

Canonical Relationships

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

• Ryo Sunaga → Hiyori Endo (Professional Colleagues) — Their workplace connection is established, though the plot reference provides no further specific interaction between them.

  Hiyori is identified as Ryo's colleague.

• Ako Kinoshita → Ryo Sunaga (Romantic Complicated Emotional Bond) — Ryo supports Ako through treatment and grief, while their closeness is complicated by her belief that her dead partner is still with her and by Ryo's uncertainty about their relationship.

  Ryo admits that he wants to stay with Ako but wonders whether he has mistaken his place in her life. They share a home and build warm routines while A...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Ako Kinoshita → Hiyori Endo (Social Hospital Visitor) — Hiyori's visit prompts Ako to explain that she knew the truth from the beginning but briefly hoped familiar messages meant her partner was alive.

  Hiyori visits Ako in hospital and asks when she realized the truth about her dead partner.

• Ako Kinoshita → Shigeru Kajino (Narrative Source Of Personal History) — Shigeru helps Ako understand that the student she remembered meeting on the rooftop was Ryo, not the brother she thought she had met.

  Shigeru confirms to Ako that Ryo went to school in his sick twin's place on the day of the choir competition.

• Ryo Sunaga → Shigeru Kajino (Social Friend) — Shigeru provides Ryo and Ako with context about the brothers' past, including Ryo's substitution for his sick twin at a choir competition.

  Shigeru is described as a friend of the brothers and explains their contrasting temperaments and the dead brother's comet-search plans.

Story Analysis

A woman grieving her lost partner and a man carrying an unspoken truth reconsider the history that brought them together.

Plot Progression

1. A Promise Interrupted — Ako and her partner talk beneath New Zealand's clear skies about a comet-search promise and their life together. A car crash interrupts an important disclosure and leaves Ako grieving.
2. Grief Shared at Home — Ako shares a home with Ryo, who supports her treatment for double vision while she continues to act as though her dead partner is present. At the hospital, Ako admits she knew the truth but briefly ho...
3. The Brothers' Unfinished Search — Shigeru recounts the brothers' different temperaments and the dead brother's plans for a comet-search observatory. Ryo expresses his wish to remain with Ako while questioning his place in her life, an...
4. A Past Reconsidered — Years later, Ako has begun to laugh again and continues observing the sky, though the comet she reports has already been identified. A school photograph and Shigeru's explanation reveal that Ryo once...