Yuka, a pop idol on the verge of her solo debut, harbors a devastating secret: she cannot sing. Desperate to fix her voice, she enrolls in a remote training camp led by a charismatic but deeply unstable voice coach. As the days blur into a nightmare of psychological manipulation and eerie rituals, Yuka realizes she’s not a student but a prisoner, held captive by a madman who believes she is unworthy of the spotlight. The line between mentorship and obsession blurs as her dreams of stardom turn into a terrifying battle for survival, where every note could be her last.






























































