Proposal : Update Manga Hibike! Euphonium published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Hibike! Euphonium

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 : 5
Month : 12
Year : 2013
-
End Date :
Day : 22
Month : 6
Year : 2019

Based on the following reason: Missing