A former student bitter over Ms. Park's past criticism of her obesity. During the reunion, she attempts to push Ms. Park off a cliff but is interrupted by the caretaker, causing her to fall and die.
Jung-won executes Sun-hee as part of his revenge against former students.
Sun-hee and Dal-bong are former classmates who reconnect at the reunion.
Detective Ma professionally investigates Sun-hee's death as a homicide.
Explore the full interactive character relationship map of Bloody Reunion