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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/narsalan893	2021-05-17	Post	10	English (C1), Japanese	English, Japanese
u/rainyraskolnikov	2021-06-07	Post	10	English (C1), Japanese	English, Japanese
u/taz0x	2021-03-15	Post	8	English (Native), Japanese	Japanese
u/animalpunch	2021-04-09	Post	8	English, Japanese	Japanese
u/sectorproud3904	2021-04-10	Post	8	English, Japanese (Native)	English

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

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