Jinx Chapter 1 introduces Kim Dan, a physical therapist burdened by debt and his grandmother’s medical bills. He’s hired by famous MMA fighter Joo Jaekyung. When loan sharks threaten him, Dan accepts a dubious, high-paying offer from Jaekyung’s manager for a “special treatment.”
Jinx Chapter 6 shows Kim Dan being severely threatened by loan sharks due to overdue payments. He desperately asks Joo Jaekyung for a large advance, but Jaekyung coldly refuses, emphasizing that their relationship is strictly transactional. This refusal leaves Dan in a more dangerous situation and highlights Jaekyung’s indifference to Dan’s personal struggles.
Jinx Chapter 27 features a sudden, confusing shift as Joo Jaekyung and Kim Dan play board games. This brief moment shows a childish, competitive side to Jaekyung. However, the lightness quickly ends as Jaekyung demands his transactional due, abruptly returning the dynamic to its harsh, submissive reality.
Jinx Chapter 12: Kim Dan has a brief, innocent encounter with a friendly acquaintance, which Joo Jaekyung’s manager reports. Jaekyung reacts with intense, jealous anger, seeing the interaction as a threat to his control. He confronts Dan and aggressively reasserts his dominance, clarifying that Dan’s life is entirely bound to their transactional arrangement.
Jinx Chapter 20: Joo Jaekyung forces Kim Dan to attend a lavish social event. Dan’s anxiety heightens when Jaekyung’s rival, Choi Minji, shows clear interest in him. Jaekyung reacts with a public, possessive display, using the event to cement his exclusive ownership over Dan in front of the social elite.
Jinx Chapter 24: At the gym, Hwang Yoon-gu‘s jealousy escalates upon learning Kim Dan lives with Joo Jaekyung. When Yoon-gu invites Dan out, Dan reveals he needs Jaekyung’s permission. Jaekyung then appears and publicly pulls Dan away, cementing his absolute, possessive control over him and leaving Yoon-gu stunned.