Set in a large company that retains an old hot-blooded constitution, the protagonist, Ren Hitomi, who is too stupid and pure, and the heroine, Naomi Mano, who struggles every day with the hope of changing the company, face the various problems of employees in the company with a unique human resources department and face the various problems of modern people".

Finally, NCT is launching a new unit! This is SM's first pre-debut reality show to launch the last unit of NCT. It will be the first show to reveal the debut process of SM idols. Who will be selected to debut with SMROOKIES in the new NCT unit?