What if Himchan doesn't like standing on stage anymore? He feels left behind by s. He wants attention from them, and especially from a certain person. But not even once that person looks at his way. Himchan is tired and decides to give up. He leaves the group in secret without telling anyone. So what happens to B.A.P now? Is this the end of their group? Or is it just the beginning of their real story? 

Bang Yongguk is a famous music producer as well as a single dad. His son is Bang Junhong, nickname Zelo. His wife left him for another man as Yongguk is too busy to pay attention to her. Everyday, Yongguk is busy with work and taking care of his son. He tries to find a nanny for his son but it never works as all of them keeps trying to flirt with him rather than taking care of Junhong. Until one day, his good friend, Jung Daehyun, introduces to him a male nanny, Kim Himchan.