New kids

(This doesn't follow the plot of the anime at all im going free form oh and Y/N and my oc aka Daisuke are in an relationship I'll explain more)

Y/N Fujiwara is the youngest son of the Fujiwara's family. The Fujiwara family is well known for running the hugest company for weaponry which is very known in the bounty hunting,police force,military,and much more places. His parents inroll both of their sons into Hyakkaou Private Academy with their youngest son's...pet if you could say. When everyone meets the two masculine guys and a feminine man they fall into a deep no way out obsession with Y/N