Wise is not a bank. They want bank statements and personal ones. Six months worth.
You need a letter from your company stating you can work there remote and won’t work there. At all.
Company registration if you have it.
Tax returns.
Ditch the article about bringing work to Asia they don’t care they don’t want you filming there this is not a visa for that.
You would need to explain why you are living in Thailand and where you re working like you enjoy Thailand but want to work in Korea to film perhaps but why ?
This sounds more like a chance of Denial.
You can keep it as simple as you manage the production company remotely from your laptop and will not work in Thailand for or with any Thai business’s. You’ve overthought this. Start over.
I applied in Los Angeles you can search my name and see what in submitted I was approved without needing additional documentation