Ventilation hall

Ventilation hall are Honoka's Piazz's Room of one，It in Camern Marked as "CAM8"

Exterior
The room contains an "attention to ventilation" warning slogan and a vent to the office, as well as a green crates/trash can.

Enemy
Kotori and Kira and also Maho can Here you climb into the air duct to attack the player. If they enter the air duct, the player must use the heater to let them go.

The heaters are only valid during their third phase.

Trivia
The heaters are only valid for them in the third phase of Kotori/Maho/Kira.