After expressing their desires to have a picnic, the idol singers got what they wished for and also transformed into jolly school girls.
Both Irene and Wendy presented a fierce competition as they played various games on the field. Such as carrying a bowl of water over their heads while blindfolded to showing off their flexibility in doing splits.
"Wow, you're really good at playing games," said the Dynamic Duo members, amazed by Irene's great determination.
Watch the clips above and below!