Proposal : Update Manga Black Guard published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Black Guard

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 : 9
Year : 2019
-
End Date :
Day : 21
Month : 10
Year : 2021

Based on the following reason: Missing