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During the filming for the upcoming episode, the oldest triplet, Dae Han was like a fish meeting water while Min Guk followed whatever his older brother did. But maknae Man Se, surprisingly, was actually quite scared of the water despite being the most active one among the three in most situations. After slightly testing out the water with his foot, he immediately sought out his daddy's arms for comfort and reassurance. Knowing Man Se's love for cars, Song Il Kook used floats that were made to look like cars to coax Man Se into the water.

Catch the triplets' pool adventure this Sunday!