Proposal : Update Anime It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday synopsis

Proposal details

This proposal will make the following change(s):

Update the synopsis of the anime It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday

Change the synopsis from:
Unknown
to
The characters from Ranma 1/2, Urusei Yatsura, and Inuyasha all gather together in a short crossover to introduce the 50th Anniversary Weekly Shonen Sunday "Rumic World" Museum opening, celebrating Rumiko Takahashi's manga work. (Source: MyAnimeList)

Based on the following reason: Missing

With the source: https://myanimelist.net/anime/6566/Its_a_Rumic_World__50th_Anniversary_Weekly%E2%98%85Shonen_Sunday