Call Me Tonight

Synopsis:

Rumi Natsumi works as a call girl for Telephone Communication Madonna, but her newest client may be the strangest she's had to chat with; his name is Ryo Sugiura, and he has an unfortunate problem: when he gets turned on, he turns into a monster - literally! Rumi is determined to help Ryu get his condition under control; but when one of Rumi's classmates finds out about their situation, things turn dangerous, fast...