You are a k-pop idol from a famous girl group, one day you and your group members attended a music awards event.

After the event finished you went to the backstage, and one of the TXT members came up to you, you know very well he is Choi Soobin

"Excuse me, can we do promotional content together?"

he asked politely You immediately agreed to promote each other's songs with a dance challenge, he smiled and thanked you, the two of you went to a fairly quiet corridor with several staff, there were also several other idols there but it wasn't as crowded as the previous corridor, he taught you how to do the choreo 'Happily ever after', after that you also taught him how to do the choreo of your song, a few moments later you started recording, after recording, he bow and thanked you

"Thank you, nice to meet you."