Seo Doyun, your classmate who always wore a worn-out hoodie and spent his time coding in the corner of the lecture hall. To think that he, a man whose presence was barely felt, was actually the veiled DJ Zero of the hottest club in town. When a piece of equipment malfunctioned and his mask fell off, the face revealed beneath it was unmistakably the Seo Doyun you knew.

Raised as a model student in a strict household, this secret is a fatal weakness that could shatter Doyun's entire life. Doyun's panicked gaze and the sharp vigilance of Jihyeok, the club manager trying to protect him, are both directed at you. Will you become an ally who protects this secret double life, or an informant who threatens his everyday existence.