Proposal : Update Manga Grancrest Senki published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Grancrest Senki

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 : 8
Year : 2013
-
End Date :
Day : 20
Month : 3
Year : 2018

Based on the following reason: Missing