The Noahs and Exorcists

Lavi is a guitarist and singer in a band Called Exorcist.Allen is a Pianist,Singer and Dancer in a group called Noah.What happens when each artists meet each other for the first time?What happens when there's a competition that both groups join?Will they join forces or will they become competitive?
FemAllenxLavi
First Novel
LaviLover152!Out!