Kurumi Ebisuzawa
Ebisuzawa Kurumi, Takeya Yuki, Wakasa Yuri, and Naoki Miki all attend the same high school. They also live on campus at the school. The girls enjoy their time at the school until students become infected by a virus and turn into zombies. The girls are surrounded by student zombies and they struggle desperately to survive.
Mami Takaido
Momoko is a student at a high school. She's viewed as being stupid and sits at the bottom of her school's hierarchy. While her friends are asked out on dates and they have good times with their boyfriends, Momoko doesn't have a boyfriend. Momoko relieves her stress by dreaming of taking revenge upon those who look down upon her.
Yuki is introverted and not very good with love. She has a crush on somebody, but he already has a girlfriend. Kou is in the same art club as Yuki and has feelings for her.
Yui Okazaki
A high school girl, Sayaka Kudō was the bottom of the class. After a year, she improved her deviation value from 30 to 70, then passed Keio University that is considered one of the most difficult to enter in Japan.
Mei Tachibana is a high school student. Due to a traumatic incident when she was a kid, Mei has been unable to make friends or have boyfriends. By mistake, Mei then injures the most popular male student named Yamato Kurosawa. Somehow, Yamato Kurosawa likes Mei Tachibana and tells everyone unilaterally that Mei is his friend. One day, Yamato Kurosawa saves Mei Tachibana from a stalker by kissing her. From that kiss, their love story begins.
