Yura searched for a fish that looks like Minah, Sojin searched for one that looks like Hyeri, Hyeri for Yura, and Minah for Sojin. The members tirelessly ran all over the aquarium, desperately searching and taking pictures of the fish equivalents of each other. Sojin kept her eyes out for a dark-colored fish, Hyeri looked for a fish with a large frame, and Minah searched for a fish with sturdy teeth. Yura on the other hand, encountered some difficulty looking for a fish that looks like Minah. 

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The girls shared the results of their mission with each other right before dinner back at their hotel. Hyeri revealed a photo of a whale shark, comparing its gargantuan anatomy to Hyeri's big build. Minah showed a picture of a shrimp, joking that it looks like the leader Sojin when she is nagging the other members. Yura had managed to find a fish that looks like Minah after all, one that apparently possessed Minah's eye smile. Sojin displayed a picture of a dark-colored fish that the other members couldn't even see, likening the fish to Hyeri who had an extreme tan from the sun. 

In the end, Sojin won the mission. Hyeri protested that the fish looked nothing like her and the other members seemed to agree. Sojin remained stubborn about her decision however, joking about Hyeri's dark tan. She said, "Even now, you can only see Hyeri's shirt," drawing laughter.