[K-POP] #SEVENTEEN - 2017 SEVENTEEN Project Chapter 1. #Alone Trailer #Jeonghan

2017 SEVENTEEN Project Chapter 1. Alone Trailer #JEONGHAN

#SEVENTEEN #JEONGHAN

What's JEONGHAN's PRIME NUMBER?

https://t.co/5MmSElcCq3

#SEVENTEEN #JEONGHAN #Alone #Al1 #All

More about #SEVENTEEN
▶ Official Homepage : http://www.seventeen-17.com/
▶ Official Twitter : https://twitter.com/pledis_17
▶ Official Facebook : https://www.facebook.com/seventeennews
▶ Official Instagram : http://www.instagram.com/saythename_17
▶ Official Weibo : http://weibo.com/pledis17
▶ Official Cafe Daum : http://cafe.daum.net/pledis-17
▶ Official V App : http://www.vlive.tv/channels/F99B3
▶ Official Soundcloud : https://soundcloud.com/pledis_seventeen