Bloody Reunion

A methodical investigator who probes the mass murder at Ms. Park's residence. He pieces together testimonies and flashbacks, gradually uncovering a tale built on deception and buried trauma.

A former teacher whose strict, belittling style left lasting scars on her students. Her past actions become the catalyst for the revenge plot and the unraveling of the reunion’s truths.

Caretaker of Ms. Park who organizes the class reunion. Her proclaimed poverty and weight disguise a deeper manipulation, and she guides the narration that frames events for the police.

The bunny-masked figure who stalks the attendees and is ultimately revealed as Mi-ja's true identity. A vengeful persona born from past trauma, determined to punish the former students and Ms. Park alike.

The younger version of Jung-Won shown in flashbacks, representing the early seeds of cruelty and the emotional wounds that motivate the revenge plot.

One of Ms. Park's former students who openly accuses others during the barbecue, contributing to the mounting tension and breakdown of the reunion's facade.

A former pupil who resents Ms. Park for her treatment of poverty and appearance. Her anger intensifies the conflicts at the reunion and drives parts of the confrontation.

A student whose leg was damaged by Ms. Park's punishment; his fury surfaces during the reunion as he attempts to attack her, adding to the chaotic violence.

A former student who resents the teacher for criticizing her obesity; she attempts to push Ms. Park off a cliff, an act that ends in tragedy for herself instead.

A pupil who endured sexual abuse by Ms. Park; his rage surfaces during the reunion and nearly targets Ms. Park, but the plan devolves under the killer's interference.

The mother who confronts Ms. Park leading to a car accident that leaves her handicapped; her decline and memory haunt the killer's backstory and motivation.