The main character and six heroines were trapped in a white closed room.
Her childhood friend Hokari Kano, her class president Toko Ando, her junior Rika Maha, English teacher Aoi Natsuki, Rinne Shiraya of the same grade, and her classmate Manaka Gojo.
Suddenly, a “mysterious voice” tells them who are confused by the unusual situation.
“I’m about to start the game.”
To escape from this room, the main character becomes the “unlocker”, sets one of the heroines as the “keyhole”, and performs the specified action to “unlock”. There is a need.
It was unreasonable, radical, and immoral …