Seung-Hoon Lee pd of 'in the puddle (go)' recalled his first meeting with Song Ga-in and Kim Ho-joong, "YG Entertainment was completed on the day of meeting two people. "When asked by the production team, "What kind of entertainment program do you two dream of?" Both of them were embarrassed at first, saying, "Can we really talk about that?" However, it is rumored that they gradually poured out various ideas while talking. Song Ga-in, Kim Ho-joong 'in the puzzle (go)' is a program completed with Song Ga-in X Kim Ho-joong YG Entertainment and Song Ga-in X Kim Ho-joong. In addition, Seung-Hoon Lee pd commented on the process of Song Ga-in and Kim Ho-joong, saying, "The three-month intercourse process was a 'spectacle' at the Blockbuster LLC movie level, . However, in the meantime, the two singers have deeply sympathized with the intention of the 'Reverse Tribute Service Project' to return the love they received from their fans in the form of comfort and empathy. In addition, Song Ga-in X Kim Ho-joong said, "I came to share my blessings, but I seem to be blessed." Unlike other filming sites, "in the puddle (go)" I also expressed my excitement. Seung-Hoon Lee pd said, "There are no professional organizers, and the two people who are not professional entertainers may sometimes be uncomfortable, and there may be no laughing popping. However, I would like to ask for your support for Song Ga-in and Kim Ho-joong who are trying to be a force for many people in difficult times. " 'in the puddle' will be broadcasted at 10 pm on the 9th.