Proposed by tomarwan on 10 Dec. 2022 at 08:56 AM
This proposal will make the following change(s):
Update the demographic of the anime Aoki Hagane no Arpeggio: Ars Nova Movie 1 - DC
Change the demographic from Unknown to Seinen
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/24919/Aoki_Hagane_no_Arpeggio__Ars_Nova_Movie_1_-_DC