Which bank is most foreigner friendly in Korea?

I'm an expatriate living in Korea and I need to open a bank account. Could you please recommend which bank in Korea is the most foreigner-friendly?" I've heard that some banks in Korea can be quite difficult for foreigners to navigate, with complex processes and language barriers. I'm looking for a bank that offers good customer service in English, has a user-friendly online banking system, and doesn't charge exorbitant fees for foreign transactions. Could you also tell me what documents I would need to provide to open an account, and if there are any specific requirements or restrictions for foreigners? Thank you for your help! I really appreciate it.