Zero Man Vs. The Half Virgin (2011)

Zero Man Vs. The Half Virgin 2011 / 半分処女とゼロ男 2011 / Half Virgin And Zero Man , Hanbun Shoujo to Zero Otoko

A man comes to his senses to find out he's a policeman. He remembers other people but doesn't seem to know who he is. In addition, whenever he gets an erection, strange numbers appear on his and other people's forehead. The numbers seem to have a meaning, but what exactly is it? (Source: XuongPhim)