Iamerica was thrilled with 'breast Quality-adjusted life year'. Lee Yi-kyung 's chest size confrontation' 1 loss of doubt '. MBC's "What are you doing when you play?", which aired on the 12th, depicted Yoo Jae-Suk, a teacher who left for a summer field trip to Jeongseon, Gangwon Province, and students. On this day, Yoo Jae-Suk saw Lee Yi-kyung's outfit during the opening ceremony and said, "Do you want to wear it so burdensome?" Lee Yi-kyung boasted a tight-fitting muscle-fit style, and Joo Woo-jae teased that "the chest is the biggest here." Suddenly, Iamerica exploded and added a laugh, shouting: "No! Can't you see me?" Haha said, "This is a Quality-adjusted life year, so it's big." Iamerica said, "No, that's mine." Park Jin-joo laughed, saying, "Did the building bend?" Joo Woo-jae also laughed, saying, "Today, I'm all over the place." This is a reference to Iamerica's SNS Quality-adjusted life year controversy, which was a hot topic last week. But Iamerica continued to insist that "it's mine" to the end. Those who arrived in the village for experiential learning then took The Speech exercise before entering the valley. Then Haha secretly approached Yoo Jae-Suk and said, "I saw america bikini The Speech to get into the water. I can not see it." Yoo Jae-Suk said, "Now Haha is talking, and one of my friends is wearing bikini The Speech to get into the water here." Joo Woo-jae said to Iamerica, "If you look at the water, you just think about bikini mouth." Iamerica said, "You surprise me!"