Mods Don't Effect Sonic Frontiers

When I open HMM it detects Sonic Frontiers just fine, and I'm able to install my mods as well. Everything appears as it should be in the steam folders. However, when I boot up the game for some reason none of the mods take effect. I can play the game just fine, but it's just the base game. No matter what I do I can't get the mods I have downloaded to effect the game. Right now, for testing purposes, I'm just trying to download the Japanese translation mod as that one is very simple to check to see if it works or not, but regardless of whether I downgrade Frontiers, reinstall the mod manager, move files around, run as administrator, or anything I just can't get it to effect the game. I'm not sure what else to try to get it to work.

Start by reproducing the problem with Sonic Frontiers and the Japanese translation mod, checking whether the installed files match what HMM reports in the Steam folders. Trace the mod-loading path from HMM into the game and determine why the game starts without applying installed mods; done means the cause is identified and the test mod takes effect.