Proposal : Update Manga Ryuu no Haisha published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Ryuu no Haisha

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 : 15
Month : 9
Year : 2017
-
End Date :
Day : 15
Month : 12
Year : 2017

Based on the following reason: Missing

With the source: https://myanimelist.net/manga/108906/Ryuu_no_Haisha