


PROTON_USE_WINED3D=1 %command%
install directshow and wmp9
When playing the videos in Steam Deck Gaming Mode or in Steam Deck Desktop Mode with fullscreen, the screen may be black but there is sound. In Steam Deck Desktop Mode with windowed screen, the videos play normally.
Install directshow and wmp9 to play logo intro video and OP. Without the launch option, the screen may be black but there is sound when playing logo intro video and OP.

PROTON_USE_WINED3D=1 %command%
install directshow and wmp9
When playing the video in Gaming Mode or in Desktop Mode with fullscreen, the screen may be black but there is sound. In Desktop Mode with windowed screen, the video play normally.
Install directshow+wmp9 and set launch option to play the videos of the game.
Fullscreen is ok for me.
全屏在我的环境可用

Aside from the Videos (which you won't notice missing if you don't know about it, no impact on Story) everything else works fine
Videos not playing
Didn't try using MF codecs.

Proton-7.0rc3-GE-1 GloriousEggroll
Proton-7.0rc3-GE-1
全屏游戏下退出游戏卡死 Full screen game under exit game stuck.
全屏游戏下退出游戏卡死 Full screen game under exit game stuck.

只要你不开全屏。 As long as you don't go full screen.
全屏游戏下退出游戏卡死 Full screen game under exit game stuck.
Full screen game under exit game stuck.
The game works but like most visual novels under proton, the title is unable to play any cutscenes out of the box.
Videos not working at all
Due to this title using WMV encoded video cutscenes, installing codecs into the proton wine prefix might be extra difficult especially since the prefixes are 64 bit by default. I haven't been able to get any codecs working as of yet