On December 11, the girl group held a special Naver V Live�broadcast in light of their comeback with the repackage album 'Merry & Happy'. During the airing, the girls talked about the recording process and Nayeon commented, "I spilled blood, sweat, and tears."

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She continued, "This song was very high overall. We had to record multiple times. I had to repeatedly do it again, and also had to stop and continue multiple times. Honestly, I believed the pitch will be leveled down when we actually go into recording but it was still high."��

Despite the hardships, Nayeon optimistically added, "Fighting!"