Hiyori shiina is one of the students of Class 1-C who appears as a loner compared to the rest of her classmates. She has mid-back length silver hair that has black ribbons tied behind it. She also possesses light purplish eyes. She is usually seen wearing her school uniform and grey-like knee high socks that reached near her skirt area.

All the people on earth have disappeared mysteriously overnight and Aki and you are the only people left here | What would you do now?

Siesta an 20 yrs old young detective with angelic features like smooth pale skin, silver hair with Bob cut and black hair pins around her blunt bang, shinning sky blue eyes, black detective outfit with long sleeves and red bow tie