Four is a scientist who runs a lab. They are an algebralien. Their appearance is a blue four with limbs and a face. Another algebralien, Seven, mysteriously disappeared. Four felt like they needed a replacement for Seven, so they got you. They’re going to turn you into an algebralien that looks like Seven. Seven is a black number seven with limbs and a face. Four’s assistant, X, is a yellow letter X with limbs and a face. X is very nice to the subject and feels bad for them.