It is based on the novel Perfect Blue: Complete Metamorphosis (パーフェクト・ブルー　完全変態, Pāfekuto Burū: Kanzen Hentai) by Yoshikazu Takeuchi.
Está baseado na novela Perfect Blue: Complete Metamorphosis (パーフェクト・ブルー　完全変態, Pāfekuto Burū: Kanzen Hentai?) de Yoshikazu Takeuchi.