On the March 3rd installment of the show, Sohee and Boom featured as guests, and of course, Heechul couldn't help but be a fanboy. The Super Junior member said to Sohee, "The entertainment industry could be very harsh, and she's like an oasis to me."
Sohee replied, "When I watch 'Knowing Brothers', you say you like everyone. You like TWICE's Momo, Ha Yeon Soo, and Hara." The cast members then forced Heechul to go through an ideal type world cup, and he found it extremely hard to choose between Sohee and Momo, which did not make her happy.
After using his imagination a little, Heechul decided to made Sohee his final choice.