Character Relationship Map: Rough

Characters

• Ami Ninomiya (played by Masami Nagasawa) — protagonist

  Ami is a competitive diver whose family owns a confectionery store that competes with Keisuke Yamato's family's business. She grows up hating Keisuke's family because hers believes his grandfather's i...

• Keisuke Yamato (played by Mokomichi Hayami) — supporting

  Keisuke is a 100-meter freestyle swimmer and a member of a family that owns a confectionery store competing with Ami Ninomiya's family's business. Ami initially hates his family because hers believes...

• Hiroki Nakanishi (played by Tsuyoshi Abe) — supporting

  Hiroki is a swimmer who competes with Keisuke and sets a Japanese record at a meet. Ami calls him a murderer because of the bitter history between their families and her grief for her grandfather. Des...

• Kaori Koyanagi (played by Yui Ichikawa) — supporting

  Kaori is involved in the swimmers' training and speaks with Keisuke about the person he likes. Her role in the available plot is connected to the team's preparation and Keisuke's feelings, though the...

Canonical Relationships

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

• Kaori Koyanagi → Keisuke Yamato (Professional Training Associate) — Kaori connects with Keisuke through the swimmers' training and a conversation about his feelings.

  Kaori is involved in the swimmers' training and speaks with Keisuke about the person he likes.

Story Dynamics

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

• Hiroki Nakanishi → Keisuke Yamato (Conflict Swimming Competitors) — They face each other in competition, with Hiroki's record-setting performance marking the meet.

  At the swimming competition, Keisuke and Hiroki compete, and Hiroki sets a Japanese record.

• Ami Ninomiya → Hiroki Nakanishi (Social Trusted Friend Amid Resentment) — Their bond combines Ami's anger over her grandfather with growing trust and shared time.

  Ami calls Hiroki a murderer because of the old family rivalry, yet they spend time together and she regards him as a trusted, cherished friend.

• Ami Ninomiya → Keisuke Yamato (Conflict Family Business Rivals Turned Diving Partners) — Ami's inherited resentment toward Keisuke's family gives way to personal closeness and a shared decision to dive together.

  Their families' confectionery shops have a long rivalry, and Ami initially blames Keisuke's family for her grandfather's loss. Later, Ami and Keisuke...

Story Analysis

Ami and the swimmers confront inherited resentment, personal fears, and uncertain bonds as they approach another competition.

Plot Progression

1. The Record and the Accusation — Ami watches the swimming meet as Hiroki competes with Keisuke and sets a Japanese record. Ami's response is an accusation rooted in an old feud between their families.
2. Grief Beneath the Feud — Hiroki recounts the rivalry through a comic story about competing sweet shops, but Ami feels that this makes light of her grandfather's importance. As they spend time together, she shares memories and...
3. Preparing to Face Fear — The swimmers prepare for another competition, and Keisuke is challenged to confront his fears rather than hide behind a calm exterior. News that a fellow athlete must return home because his father is...
4. A Risky Decision — Unable to dive, Ami reflects on her feelings and admits how much she loves and depends on her older brother. She decides to support him and resolves with Keisuke to dive together, while the final mome...