gakkou gurashi!
がっこうぐらし! 學園孤島 学园孤岛 School-Live! がっこうぐらし
A 2012-to-2019 zombie survival seinen manga series by Kaihou Norimitsu and illustrated by Chiba Sadoru. An anime adaptation aired in Summer 2015.
The series follows Takeya Yuki and other members of the Campus Life Club (学園生活部 Gakuen Seikatsu Bu) who have holed up in their school after a zombie epidemic broke out and now spend their days trying to survive.