Wait what???? Are your hands nice and clean??? What was that for???

Lmao I bet the Sunbae mean something very innocent.

Or trying to hypnotize him

I think he's talking about the handcream woojin was supposed to give him

I think he waiting for him to mention about the hand cream

don't think too much ,he probably asked that later said let's eat fried chicken (●'◡'●)ﾉ