>>79259460-Your game audio is louder than you. Please refer to this cheat sheet for the recommended audio levels.
-You have the VTube Studio mascot floating in the background, you can crop it out in OBS since your model only takes up a corner of your screen.
--Speaking of, you should try making the model bigger and maybe add something that makes it unique, like a hat or sunglasses. Anything, really. I thought your model is just a turtle emoji in the background and didn't understand why I was seeing the VTS mascot even though you're not moving-- because I didn't notice you moving.
-You can adjust the size of the game window on OBS too, so you might as well make it fullscreen if you're not even using a free overlay.