How to sell USDT in South Korea?

I'm a beginner in the world of cryptocurrencies and I'm currently holding some USDT. I'm wondering how I can sell them in South Korea. Could you please provide me with a step-by-step guide on how to do this? I'm a bit confused about the process and would appreciate any help or advice you can offer. Also, are there any specific platforms or exchanges that you would recommend for selling USDT in South Korea? Thank you so much for your help!