I need business Idea.

I want to start a new business.
I am Japanese and had a small success as a professional gamer when I was 15 years old.
I changed my YT account to a cash cow channel where I was putting out gaming videos and made up to 50k profit per month, but recently it has been going downhill and now I only make 7.5k profit.
This is because YouTube started taking surveys from viewers and started giving importance to the results. (Clickbait thumbnails have been addressed).

Also, we started SMM panels for Japanese this September, and sales grew to 10k in September and 20k in October.
We have funds to invest, but have not found a good business idea.

Do you have any recommendations?

Hey, you can find cool ideas in this subforums:
https://www.blackhatworld.com/forums/#social-media.270
and this:
https://www.blackhatworld.com/forums/#making-money.11
Lifehack: you can filter posts by reaction score and time.

Go for sports arbitrage or CPA marketing.