After enticing us with gorgeous and mysterious teaser trailers for all the individual members, SEVENTEEN has finally confirmed their comeback!
According to a teaser photo released on May 16 at midnight KST, Al1 (read Alone) is the title of their upcoming fourth mini-album. It will be released on May 22.
SEVENTEEN 4th Mini Album Al1 Ver.1 Alone  Image Teaser
2017.05.22 Release.#SEVENTEEN #Al1 #Alone pic.twitter.com/dPSjnL9iFc
세븐틴(SEVENTEEN) (@pledis_17) May 15, 2017
Intriguingly, the image released is the teaser for Version 1, hinting that more than one version will be available for Al1.