Proposal : Update Manga Mansion Blues published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Mansion Blues

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 : 11
Month : 9
Year : 1971
-
End Date :
Day : 9
Month : 9
Year : 1972

Based on the following reason: Missing