Proposal : Update Anime Chamebou Kuukijuu no Maki source

Proposal details

This proposal will make the following change(s):

Update the source of the anime Chamebou Kuukijuu no Maki

Change the source from Unknown to Original

Based on the following reason: Missing

With the source: https://myanimelist.net/anime/23185/Chamebou_Kuukijuu_no_Maki?q=Chamebou%20Kuukijuu%20no%20Maki&cat=anime