Yoko Koyama, who comes from the countryside, entered a famous school for supernatural beings as an exchange student. As an ordinary person, faced with the battle between the two factions in the school, what choice would she make? The final battle is approaching, what can she do? The seemingly innocent and cute twins, the senior who feels like an older sister, the domineering young master... What is the purpose of these people approaching her?
It's still just a brainstorm for the time being. I've written about some important occasions and will gradually improve it.
Purpose: Peaceful coexistence