Wallpaper A Day
Day 4006: Blue Archive
1080p version
Credit to anon
Day 4005: Genshin Impact
1440p version
Credit to 真昼ゆら
Day 4004: Fuwawa/Mococo Abyssgard (Hololive)
Credit to イコモチ
Day 4003: Uma Musume
Credit to そらしま
Day 4002: Touhou
Credit to 鳥成
Day 4001: Touhou
Day 4000: Original Artwork
Credit to ye_jji
Day 3999: Original Artwork
2160p (4k) version
Credit to Homutan
Day 3998: Arknights
Credit to 桐野
Day 3997: Hatsune Miku
Credit to 紺屋鴉江
Wallpaper A Day 
