I'm translating it to English right now, although I only translated 40 minutes of it so far. I'll post the link to the subtitles when I'm done translating it. Might take 1 or 2 more weeks? Hopefully less than that. I do want to finish translating it.
https://www.youtube.com/playlist?list=PLIDckZuI0IdXV9cQCbAB1BjOh5hedstBv
https://www.youtube.com/playlist?list=PLIDckZuI0IdWTH_b2J_znsmguHSDNzTXG
https://www.youtube.com/playlist?list=PLIDckZuI0IdXVWCt3ewh5CAsNxM8BhFFw
https://www.youtube.com/playlist?list=PLIDckZuI0IdUOQ7ju0EvL4HwvBWy6QHJr
https://www.youtube.com/playlist?list=PLIDckZuI0IdX7tnUWGkq4m4lJ_5j6hgDN
Link: https://www.youtube.com/playlist?list=PLIDckZuI0IdXXBlwqapK8D4qu6FeXL36L
RAW: https://dorama.site/butterfly-sleep/
https://rerips.com/butterfly-sleep/
https://mkvking.com/butterfly-sleep-2017/
Softsubs: https://subscene.com/subtitles/butterfly-sleep/english/1895432
• https://www.soompi.com/2018/02/07/go-hyun-jung-announces-departure-return/
• https://www.soompi.com/2018/02/07/go-hyun-jung-denies-allegations-physical-assault-explains-left-return/
• https://www.soompi.com/2018/02/07/sbs-issues-statement-regarding-go-hyun-jungs-character-return-rumored-ban-from-future-dramas/