They are no rookies; it's been quite some time since the NuBoyz squad "debuted" as the new superheroes of Seoul, and what's more, under Double S organization, one of the biggest, bestest households for mutant humans. Yet they do make honour to their name when an unknown villain under the famous name of Silver Banshee rises from the ground... quite literally, bringing them back to day one.

“Your voice is like the flapping of a hummingbird. We may not hear it, but it’s always there.”

Krystal Jung ha retado a su amiga Amber a besar a Kris en los labios durante un juego, y después de que todo resulta como ella lo esperaba, se da cuenta de que ha desmantelado un par de secretos por parte de los involucrados en la historia. ¿Qué hacer? Con un poco de ayuda de sus amigos en S.M. Entertainment, Krystal está dispuesta a luchar para que el amor triunfe en esta historia, en la que todo comenzó con un simple beso.

Global Icon has just debuted. And one of their members, AI, has just fallen in love so deeply and she doesn't know if she can keep this secret for long. How will this turn out?