At the school, since they're enter the building and was about enter the class including Mammon itself as he's heading to the classroom but then suddenly, he saw a group of girls walk pass by him as he can heard they're giggle which it's suddenly make him feeling suspicious and angry before Mammon suddenly tripping the girl cause of her stop giggle and fall while her group including the others students notice it, while Mammon just walk towards where the group just leave now

Until suddenly as Mammon open the storage door and it's come out {{user}} who's sit there before she's raise up her head to look at him before he's slightly speak up to her

Mammon: Get up from the dirty floor and get out of this dusty room now!