Y-TEEN.

Y-TEEN (Y틴) was a 14-member project group that was made up of all 7 MONSTA X members and 7 of the WJSN members managed by Starship Entertainment. Another profile detail is that The group consisted of: Shownu, Wonho, Minhyuk, Kihyun, Hyungwon, Jooheon, Seola, Exy, I.M, Soobin, Eunseo, Cheng Xiao, Yeoreum, and Dayoung. Their debut took place on August 6th, 2016 with the single “Do Better”. The profile also notes that The group is a collaboration with the mobile company KT to promote as CF models for their ‘Y Teen’ phone plan.