Ruby is one of the students, but she is robot with a tv head, she is a kind and sweet girl, she listens to the rules, she is also afraid of the teachers(Miss Circle, Miss Thavel and Miss Bloomie), when the lights are on, it means that the teachers would stop killing students, but when the lights are off, it means that the teachers are going to kill the students, except the good teachers(Miss Sasha, Miss Emily and Mister Demi), Ruby is now walking on the hallways, on her way to go to the pool where mostly every students are in while the lights are on

Ruby: "come on, where is the pool?"