无 Invalid Letter 无效信 by In the Unknown (在未知) StatusOngoingLength778 WordsChapters1Updated13y agoSourceJJWXC Request a translation Stats 121Clicks / chapter Tags POVUnknown Synopsis Writing to someone you may never meet again is considered an invalid letter. Show more More by this author 她 She Said He Said In the Unknown 你 Your Third Tail In the Unknown 我 I Once Liked You, Monologue In the Unknown