Proposal : Update Manga Sky World published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Sky World

Change the published date from :
Start Date :
Day : Unknown
Month : Unknown
Year : Unknown
-
End Date :
Day : Unknown
Month : Unknown
Year : Unknown

to

Start Date :
Day : 20
Month : 4
Year : 2012
-
End Date :
Day : 20
Month : 8
Year : 2015

Based on the following reason: Missing