Red Velvet's Irene and Seulgi are mirroring each other in their teaser interview for 'Monster', and this time Seulgi is taking the hot seat after Irene.

In the 'One Light Two Shadows' interview above, Irene and Seulgi mirror one another and try to give answers they think the other would come up with. In this video, both Red Velvet members talk about nicknames, TMI, how much they can drink, and more. 

Irene and Seulgi are making a unit debut with 'Monster' on July 6 KST. Check out the interview above!