Has EXO's D.O. never met his sister-in-law, Mina?

Do Kyung-soo, who appeared on "Let's Meet Now" on Channel 15..

Speaking of Woobin, together with Mina

They say they have never met..

Bona said that Woobin seems embarrassed by Kyungsoo...

I wonder if Do Kyung-soo is like that too?? Hahaha