Perfect Blue: Yume Nara Samete.

Perfect Blue: Yume Nara Samete (パーfectブルー 夢なら醒めて, Pāfekuto Burū: Yume Nara Samete) is a 2002 Japanese psychological thriller film directed by Toshiki Satō and adapted from the novel of the same name by Yoshikazu Takeuchi. The story centers on Ai, a teen pop idol transitioning to a recording career, whose life unravels amid fixation from a obsessive convenience store clerk, leading to themes of distorted self-perception, narcissistic delusions, and violent events.