This is a fix to remove pillarboxing/letterboxing, most notably during every cutscene.
Download: Ultrawide Fix
Extract the content of the zip to your game directory
(e.g. C:\Program Files (x86)\Steam\steamapps\common\LikeADragon8\runtime\media\data)
You will see some weird stuff in the areas that the artwork originally covered. These aren’t bugs or anything as it’s typically just stuff that the developers thought you weren’t allowed to see.