What is a rookie idol's biggest rule? The dating ban. Two years after their debut, Astro is no longer considered a rookie group. However, newly debuted girl group, Daydream, is one of the rising rookie groups of 2018. All Bae Heejin ever focused on was debuting. Once she reached that goal, she ran into the first big obstacle in her career, Cha Eunwoo.

When I first met him, I didn't think this would happen.

I didn't sign up for this.

He should've come with some caution tape.