so, the mystery teaser sm released earlier today was for jonghyun! the collection [story, op. 1] will be on september 17th at midnight kst. the song playing in the teaser is "하루의 끝 (the end of a day)" which he released for his composition corner on blue night last fall so it's probably going to be an album of songs from there and then some. and... that's all the information out for now.