Byulyi raises her daughter in absence of her beloved partner.

Eunhyuk's used to being with five year olds. He's a kindergarten teacher after all. He's not used to being with an adult who acts like a five year old. 

Baekhyun, a bright, kind and beautiful person inside out, had always found himself strong enough to carry everything on his own sturdy shoulders. But as his daughter one day finds him in the middle of a breakdown, he admits that perhaps, he's not completely fine- and not as strong as he thought. Baekhyun, a twenty-eight-year-old single dad that finds himself struggling to raise his daughter, gets a  proposal from his bestfriend to finally start letting in new people in his life, meeting women

Being a lonely father is not the easiest task. Yuta tries to do everything he can to ensure a happy and peaceful life for his child.

Jin is like every other parent. He loves his sons. Dearly. Through and through. When life is easy, but even more so when it gets hard.