Hissatsu Chikan Nin Episode 1

Synopsis: One day, when Koichi was on a crowded train, a girl in front of him suddenly cried out, “He’s a train molester!” “What!? No, I didn’t do that!” He was mistakenly arrested for train molestation. Two years later, Koichi is now on a train to take revenge on that girl, “I’ll do it.”
Alternate Names: The Last Train To Gropesville , 必殺痴漢人
Aired: Sep 12, 2008 to Dec 12, 2008
Producers: Digital Works, Y.O.U.C
Source: Visual Novel