Grigio Academy Boarding School. Students who attend this school in two countries and reside in their own dormitories. Inazuka and Persia are rival dormitory leaders, but in secret they love each other. Now, they have to keep their relationship a … Yui Ogura, Riho Iida, Takanori Hoshino, Kazuyuki Okitsu, Kaede Hondo, Shinnosuke Tachibana, Yu Shimamura Added on Amazon Prime 2020-09-17.