Proposal : Update Manga Sankaku Mado no Sotogawa wa Yoru published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Sankaku Mado no Sotogawa wa Yoru

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 : 7
Month : 3
Year : 2013
-
End Date :
Day : 7
Month : 12
Year : 2020

Based on the following reason: Missing

With the source: https://anilist.co/manga/90766/The-Night-Beyond-the-Tricornered-Window/