Rock'in with the Rockstar

Minji,a girl who is in love with music,has finally step highschool,she find people with the same interested as her,so they got along and formed a group name Newjeans.But unluckily their guitarist Minji and Haerin couldn't get along.......they keep fighting over a little thing and blame each other

Let's see what will happen in the future
Will they get along?
Or stayed as enemies forever?