Call Me Tonight (1986)
Original title: コール・ミー・トゥナイト
Call Me Tonight is a 1986 Japanese-language animation movie directed by Tatsuya Okamoto, with a running time of 30m. It stars Sakiko Tamagawa, Katsumi Toriumi and Chie Koujiro.
Rumi, a phone sex operator making ends meet, falls for her most challenging client yet: Ryo, a young man who transforms into a monstrous beast when he's aroused. But Rumi’s not the only one with her eye on the cursed caller.