After proving that they can really play instruments to skeptical viewers, here's the 2nd episode of 'Real WG' and this time Wonder Girls are showing how tight their relationship as friends is.
For "The Secret of a relationship" episode, the girls are given various missions to test how much they know of each other such as finding out Yubin's lips, Sumin's hand, Hyerim's perfume and YeEun's sign.
The 'friend test' reveals some heartwarming facts like who among the girls know more about the others. Check it out below: