Bl Chapter 90 ((link)): Jinx

Since Chapter 90 is a very recent release (part of the series' climactic arc), it is a pivotal moment for the main couple, Kim Dan and Joo Jaekyung.

Jinx BL Chapter 90: Heartbreak, Confessions, and the Path to Redemption jinx bl chapter 90

You're referring to Chapter 90 of the popular webtoon "The Goryeo-Joseon Jinx" (also known as "Jinx")! Since Chapter 90 is a very recent release

The fireworks behind them sputtered, the fuse of her latest creation catching fire. A burst of bright, chaotic light erupted, painting the night sky with a cascade of colors—ruby reds, electric blues, and fierce golds. The explosion echoed through the empty streets, a symphony of destruction and beauty that seemed to mirror the turmoil inside Jinx’s heart. A burst of bright, chaotic light erupted, painting

For nearly 90 chapters, readers have watched the power imbalance between the elite MMA fighter Joo Jaekyung and his physical therapist Kim Dan. Chapter 90 finally shatters the silence regarding Kim Dan’s past. In a moment of intense vulnerability, Dan admits to Jaekyung that he was a victim of harassment by a senior doctor at his previous hospital—the very reason he lost his job and ended up in the debt-ridden position that led him to Jaekyung.

This confession is the "missing piece" of the puzzle. It forces Jaekyung to realize the depth of his own cruelty. For much of the series, Jaekyung treated Dan as a mere tool to satisfy his "jinx," unaware (or indifferent) to the fact that his aggressive behavior mirrored the abuse Dan had already survived. Jaekyung’s Realization: From Red Flag to Regret