Shôko Satô

Rei helps the woman she's been in love with for years escape her abusive husband. While on the run, their feelings for each other catch fire.

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.