Character Relationship Map: Yoga

Characters

• Hyo-jeong (played by Eugene) — protagonist

  Hyo-jeong is a lingerie-show co-host who loses her job and clashes with her boyfriend, Dong-hoon. Following Seon-hwa's advice, she joins an intense week-long yoga class and becomes its only surviving...

• Na-ni (played by Cha Soo-yeon) — supporting

  Na-ni is the cryptic instructor who controls the yoga class and enforces five severe rules concerning food, bathing, outsiders, mirrors, and leaving the school. She punishes violations, kills Yoo-kyeo...

• In-soon (played by Cho Eun-ji) — supporting

  In-soon is a jolly but demented member of the yoga class. She breaks the rules by eating a strangely prepared dinner, and later catches Hyo-jeong contacting Dong-hoon. Her own punishment is then revea...

• Seon-hwa (played by Rie Young-zin) — supporting

  Seon-hwa is Hyo-jeong's old friend and the person who recommends the yoga class as a way to calm down. After Dong-hoon recognizes her while investigating the mysterious deaths connected to Kan Mi-hee,...

• Yoo-kyeong (played by Kim Hye-na) — supporting

  Yoo-kyeong is a troubled mother who attends Na-ni's yoga class alongside Hyo-jeong. She breaks the bathing rule by showering less than an hour after training, then is found in the bathroom with slash...

• Yeon-joo (played by Park Han-byul) — supporting

  Yeon-joo is a failed actress taking part in the dangerous yoga course with Hyo-jeong and the other women. She becomes involved when Bo-ra lends her a mirror, violating the school's prohibition against...

• Bo-ra (played by Hwang Seung-eon) — supporting

  Bo-ra is the quietest member of the yoga group and participates in the increasingly dangerous training with Hyo-jeong. On the fifth day, she lends her mirror to Yeon-joo, violating Na-ni's rule and tr...

• Dong-hoon (played by Choi Daniel) — supporting

  Dong-hoon is Hyo-jeong's boyfriend and a fan of Kan Mi-hee's films. After quarreling with Hyo-jeong, he investigates the disappearance and discovers a dead director with a gouged-out eye, then questio...

• Kan Mi-hee (played by Yoon Jin-seong) — supporting

Canonical Relationships

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

• In-soon → Na-ni (Power Punitive Authority) — Na-ni has disciplinary power over In-soon.

  In-soon tries to report Hyo-jeong's rule breaking to Na-ni, but Na-ni's punishment for In-soon's own earlier violation is revealed.

• Hyo-jeong → Na-ni (Professional Instructor And Pupil) — Na-ni controls Hyo-jeong's training and access to information.

  Na-ni teaches the yoga class attended by Hyo-jeong and imposes five rules on the pupils.

• Hyo-jeong → Dong-hoon (Romantic Boyfriend) — Their troubled romantic relationship becomes part of Hyo-jeong's emotional arc.

  Hyo-jeong has a conflict with her boyfriend, Dong-hoon, after losing her job. They later make amends.

Story Dynamics

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

• Bo-ra → Yeon-joo (Alliance Supportive Classmate) — Their brief act of support directly precedes a shared supernatural attack.

  Bo-ra lends Yeon-joo her mirror, after which both women are dragged away by an unseen force on the fifth day.

• Yoo-kyeong → Na-ni (Conflict Victim And Instructor) — A rule violation places Yoo-kyeong under Na-ni's dangerous control.

  After Yoo-kyeong bathes less than an hour after training, Na-ni takes her in to treat her, and Yoo-kyeong is then choked by Na-ni's pet snake.

• Hyo-jeong → Bo-ra (Alliance Classmate) — Their classmate relationship is part of the collective supernatural ordeal.

  Bo-ra is one of Hyo-jeong's yoga colleagues, and Hyo-jeong later discovers the dying bodies of her yoga colleagues.

• Hyo-jeong → Yoo-kyeong (Alliance Classmate) — Their shared membership in the class connects them during the escalating danger.

  Yoo-kyeong is one of Hyo-jeong's yoga colleagues, and Hyo-jeong later discovers the dying bodies of her yoga colleagues.

• Hyo-jeong → Yeon-joo (Alliance Classmate) — They are linked through the shared ordeal at the yoga school.

  Yeon-joo attends the same yoga class as Hyo-jeong, and Hyo-jeong later discovers the dying bodies of her yoga colleagues.

• Hyo-jeong → In-soon (Social Classmate) — Their classmate relationship becomes tense when In-soon considers reporting Hyo-jeong.

  In-soon is one of Hyo-jeong's yoga colleagues and catches Hyo-jeong calling Dong-hoon on the sixth day.

• Hyo-jeong → Kan Mi-hee (Conflict Supernatural Adversary) — Mi-hee's supernatural presence threatens Hyo-jeong throughout the final section.

  Hyo-jeong finds Mi-hee's corpse, escapes a ritual intended to take her soul, and later sees posters depicting Mi-hee after the subway passengers disap...

• Na-ni → Kan Mi-hee (Social Devoted Admirer) — Na-ni's admiration for Mi-hee motivates her actions at the yoga school.

  Flashbacks reveal that Na-ni is an admirer of Mi-hee and wants to be exactly like her.

• Hyo-jeong → Seon-hwa (Social Old Friend) — Seon-hwa provides the advice that sends Hyo-jeong to the yoga school.

  Seon-hwa is described as Hyo-jeong's old friend and advises her to take a yoga class for a week.

Story Analysis

A distressed woman enters a forbidden yoga school and uncovers a supernatural scheme involving souls, obsession, and a former actress.

Plot Progression

1. A Door Into Yoga — Hyo-jeong loses her shopping-channel job and quarrels with Dong-hoon. Following Seon-hwa's advice, she joins Na-ni's restrictive yoga class.
2. Rules Beneath The Surface — The five pupils train intensively while becoming suspicious of the yoga school and Na-ni. Outside investigation also begins to connect Mi-hee with disturbing deaths.
3. Punishment In The Shadows — The pupils break the school's rules and suffer supernatural consequences. Yoo-kyeong, Yeon-joo, Bo-ra, and In-soon are progressively removed from the group.
4. The Demon Behind The Ritual — Hyo-jeong becomes the final surviving pupil and discovers Mi-hee's monstrous corpse. Na-ni attempts a soul ritual before revealing the truth about Mi-hee.
5. A False Return — Hyo-jeong escapes and reconciles with Dong-hoon. A final subway encounter suggests that the supernatural threat and Mi-hee's image have not disappeared.