In response to the rumors about the 3 members appearing as Seo Jun and Seo Un's one-day mom, the producers explained, "Nayeon, Sana, and Jihyo participated in the show's filming when they coincidentally ran into the brothers at KBS in Seoul." They continued, "The three did not officially make appearances as one-day moms. It is true that they met for a short time in the waiting room, but they will not be appearing throughout the full episode." 

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Viewers will be able to watch Nayeon, Sana, and Jihyo's special appearance toward the end of July or the beginning of August.