Boarding School Juliet 15

The Romeo and Juliet high school rom-com manga that inspired the anime! Rival dorms on an extravagant island campus fight a schoolyard war, but can two star-crossed lovers keep their budding relationship a secret?
On the fair island campus of Dahlia, the student body is split into two rival dorms: The Black Dog House of the eastern nation of Touwa, and the White Cats House of the West. Despite his doting childhood friend and a loyal posse, the first-year leader of the Black Dogs, Romeo Inuzuka, has one big teenage problem: He has a crush on Juliet Persia, the first-year leader of the White Cats! With her own brainiac right-hand man and a powerful crew behind her, the cutthroat Juliet thinks she has no time for misadventures with a hopeless romantic like Romeo. When Romeo meets Juliet one fateful twilight, he thinks he has a shot at love...but is this secret affair really worth dying for?!