みぽりん miporin (2019) 1080p WEB

Yuka is a pop idol set for her solo debut, only she cannot sing. She enrolls in a voice training camp run by a dubious voice coach, Miho, whose insanity soon becomes apparent. Yuka’s training begins in a mountain hut above Kobe. But Miho quickly doubts whether her student is really serious about her desire to become an idol. And she’s not a teacher to piss off lightly …She believes Yuka is unworthy of being an idol and holds her captive.
japanese audio; english sub. genre - comedy, horror.