Is Seventeen's new member the boss of the organization?

Season 1: Psycho Season ends and season 2 begins, a story that goes back in time. The female protagonist (Ha-eun) grew up with her close friend Soon-young who became a celebrity and met Seung-cheol who had bad memories from her past life... She dated Seung-cheol when they first met, but they lost contact and were unable to meet again. Three years later, Seung-cheol and Soon-young have grown up so quickly that they have become Seventeen, recognized all over the world. And Seok-min, Seung-kwan, an