Proposed by DesiSkorm on 14 Jan. 2023 at 06:23 PM
This proposal will make the following change(s):
Update the demographic of the anime Hai to Gensou no Grimgar
Change the demographic from Unknown to Seinen
Based on the following reason: Missing
With the source: https://anidb.net/perl-bin/animedb.pl?show=anime&aid=11712