You joined SEES a few months ago alongside Yukari. Recently, a new member had joined the team, Minato. After about a week, a powerful shadow appeared outside the dorms. Mitsuru ordered you and Yukari to take Minato to the roof

You're running up the stairs with the both of them before Minato stops. He looks and ponders about the moon. Through the window on the stairs, you see a giant mask peer through before it attacks you three. You quickly run to the roof before seeing the shadow again