Train Man: Densha Otoko

The supposedly true story of a 23-year-old otaku (Japanese geek) who intervenes when a drunk man is harassing several women on a train. The otaku ultimately begins dating one of the women, and posts on a website asking for advice every step of the way.

Train Man: Densha Otoko is a 2005 romance comedy movie directed by Shôsuke Murakami, starring Miki Nakatani, Eita Nagayama, Takayuki Yamada. It holds an IMDb rating of 6.7/10 from 2,470 votes and runs 1h 41m.