Dahlia Academy is a boarding school where the students come from two enemy countries: the Eastern Nation of Touwa, and the Principality of West. However, Romio Inuzuka, the first-year leader of the Touwa students, has always been in love with Juliet Persia, the first-year leader of the enemy West students. One day, Inuzuka decides to make his move and tell Juliet how he feels!
Another day, another confrontation between Touwa's Black Doggy House and the West's White Cats House. All the while, Inuzuka and Persia continue their secret romance. Then, the day of the tri-monthly outing to the town of Dahlia arrives. Inuzuka concocts a plan for a date with Persia. He disguises her in a Black Doggy boy's uniform! Things get spicy as they try to keep their date on the rails!
It's Inuzuka and Persia's celebratory one month anniversary. The campus is abuzz due to the return of a certain student. Her name, the first princess of the West, “Chartreux Westia”. Char walks the red carpet with composure as the White Cats laud her arrival. Inuzuka, tasked with opposing Char, is struck by her words. “You're dating Persia, right?” Has their love already been discovered?!