Kim's family were well known for their kinds heart in their neighbourhood. Asked them for help and for sure they will try their best to fullfill it . But, nobody know their background profile as they kept it for secret.

Grumpy Da. The heads of Kim's family. Owns a factory thats make electronics item but nobody know he also running the others bussiness in the factory.

Kim Haekyeon, moms in the Kim's family and the only child for Grumpy Da. Lost her husband in an accident and till now she scared to drive. Nobody knows and wanna know her career.

Kim Taeyeon. She's the first grandchild in Kim's family and has an incredible IQ but she was popular with her laziness. Now she's taking a degree in major physics (she do love physics a lots).

Kim Taehyung, the youngest in Kim's family and popular with his nickname, V in videos game. Nobody know that he was the owners of most popular website game, GTG (Great Theft Guns).

And now its time for us to revealed their secrets one by one!