My for you page completely changed languages

So I'm Korean but I usually watch English content on everything. I logged on to the texting app my country uses and my for you page COMPLETELY changed. I literally had the TikTok app tab up so I opened it again after finishing logging in, and my for you page was completely Korean after. I had literally zero Korean content before then, and even if I did, it was about foreigners visiting Korea. Does anybody know how to change it back?