• 스벅남 has a solid Twitter account (can't remember) https://onlyfans.com/aaa2_2aaa
• Mirang is also active on twitter https://onlyfans.com/mirang_a
• 김승뀨 also https://onlyfans.com/asdf950117
• Junwoo used to post more https://onlyfans.com/junwoo2021
• 하석 is less active these days https://onlyfans.com/havideo
• Reece Jackson is not very active on OF but is in a few Helix videos https://onlyfans.com/reecejacksonxxx
• Ben Kim is intense and is even in some of the torrents here https://onlyfans.com/benkim
• 횐둥이 Ex White Korean will meet you for sex with an STD test if you are in Korea https://onlyfans.com/exwhitekorean01
• 선우 seonuw is also active on Twitter https://onlyfans.com/seonuw
• Asher / suwontok is in Canada https://onlyfans.com/suwontok

There are a ton more, I am sure.