Mr. Pink Discusses the Groper Train series in this short documentary. Produced by Pink Eiga Inc.
| Release Date | November 23, 2009 | |
|---|---|---|
| Status | Released | |
| Original Title | Riding the Groper Train Part 1: What Is Groper Train? | |
| Runtime | 7min | |
| Budget | — | |
| Revenue | — | |
| Language | Japanese | |
| Original Language | Japanese | |
| Production Countries | — | |
| Production Companies | Pink Eiga | |