The floor where all of the students have rooms and sleep in. Going from bottom to top, and left to right, the rooms are in this order!
Jirou's Cabin
THUNDERSTRUCK's Cabin
Yuna's Cabin
Rin's Cabin
Ichiko's Cabin
Miyumi's Cabin
Junichi's Cabin
Rokuro's Cabin
You's Cabin
Joshua's Cabin
Requiem's Cabin
Naoya's Cabin
Haru's Cabin
Oshiro's Cabin
Edward's Cabin
Yutsuko's Cabin