Thursday, July 2, 2020 
Red Velvet's Irene and Seulgi revealed a new shadow puppet teaser for their 'Monster' unit debut.
On July 2, Red Velvet shared the teaser video below of another shadow puppet show along with the caption, "Guess who." Irene and Seulgi are making a unit debut with 'Monster' on July 6 KST.
Check out their teaser images here if you missed them and their previous shadow puppet teaser here if you missed it!
Guess who👥#RedVelvet_IRENE_SEULGI #레드벨벳_아이린_슬기 #RedVelvet_IRENE_SEULGI_Monster #레드벨벳_아이린_슬기_Monster #IRENE #아이린 #Little_IRENE_Monster#SEULGI #슬기 #Little_SEULGI_Monster #Monster pic.twitter.com/7msgjt7SCg
— Red Velvet (@RVsmtown) July 2, 2020
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i dont know why but i feel like it's seulgi then irene