KpopCeleb on Twitter: "HALO former members appearing in “PRODUCE101 JAPAN” Kim Yoon-dong, Jung Yong-hoon and Kim Hee-jung, will you re-debut in a new group with the “PRODUCE101 JAPAN” defeated members? .… #PRODUCE101
Yoondong | Wiki | Halo♡ Amino
Halo Profile - MISS KPOP
ex-Halo Kim Heecheon will debut in Jpop boy group “Orbit Union” | allkpop