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 secret from their dorm mates, or ruined things will happen to them.

• Yuki Ono
• Ai Kayano
• Ayane Sakura
• Yu Shimamura
• Rina Hidaka
• Yui Ogura
• Hiroshi Kamiya
• Tomokazu Sugita