Although I don't speak korean, I could help you with german

I found the following users who may fit your language exchange criteria:

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/binsalah8	2021-05-01	Post	7	German (C1)	German, English
u/james010405	2021-06-24	Post	7	Korean	German, English
u/veteranhoplite43	2021-07-22	Post	7	German (B1)	German, English
u/chiaramell	2021-06-22	Post	6	German (Native), Korean (A2)	---
u/blas_p_hemie	2021-06-25	Post	5	German (Native)	Greek

Please feel free to comment on the above posts to get in contact with their authors.

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