Proposal : Update Anime Gintama: Shiroyasha Koutan synopsis

Proposal details

This proposal will make the following change(s):

Update the synopsis of the anime Gintama: Shiroyasha Koutan

Change the synopsis from:
Unknown
to
According to Aniplex, a 10min short anime of Gintama "Shiroyasha Koutan" will be released on September 30th. It was shown at Jump Super Anime Tour 2008 and had never been released as a DVD. It's a trailer of an imaginary Gintama movie. Gintama OVA shown at Jump Anime Tour '05 is also included in the DVD. Source: MyAnimeList

Based on the following reason: Missing

With the source: MAL