this song is the first song his dad taught to him.. and he decide to play this song cause beomgyu's parents are apparently on date while watching his live.. huhu i'am crying he really miss them.. and I know why txt's member calling him the most romantic in among them BEOMGYU FUTURE GIRLFRIEND YOU'RE SO LUCKY.. PLEASE TAKE CARE ON HIM he can give u a lullaby song, everything for u even feeling embarrassment and tying apple hair, so please please love him and world please be nice for them so they can see moa all around the world.. please don't compare beomgyu or the other member with somebody else out there, they have so much talent and please love him even more #BEOMGYU #TOMORROW_X_TOGETHER