All Twice members are gathering on their dorm except Mina, they start making plan to kill their boredom. Jeongyeon throw her crazy idea all of sudden. "Let's trick our penguin Minari" "Tell me your idea, Jeongyeon?" The leader seem interested with her, because teasing her same-aged friend is always fun for her. Jeongyeon start talking, as the other members finally stop whatever they doing and listen to her. "Let's do a mission to raise Mina's heartbeat by whatever