Chikan Juunin-tai The Animation
Japanese title: 痴漢十人隊 THE ANIMATION
Alternative titles: Chikan Junin Tai, 10 Chikan Association
Type: OVA
Source: Original
Episodes: 5
Status: Finished Airing
Aired: Jul 8, 2004 to Aug 7, 2004
Duration: 30 min per ep
Rating: Rx - Hentai
Studios: Sugar Boy
Producers: Soft on Demand
Genres: Hentai

There are nine men and a single woman called "Chikan Juunin-tai" (the 10 pursuers). They make their client's dreams come true, that wish to be "pursued" on a train. 

(Source: ANN)