Saion is a no-good office worker who likes to pay girls for sex in public bathrooms. One day he gets a call from his ex-wife -- it seems their daughter, a girl he hasn't seen in over 10 years, has run away from home.

He hasn't seen his daughter in so long that he's mostly forgotten her face... but he can't shake the feeling that the girl he recently hooked up with might be her...

"But if that's true, I had sex with my own daughter... "