One day in seoul.......
School bus graveyard ( not set in a school but a group of classmates deal with strange entities
Class 1-9 (not zombies but class gets stuck on an island and things get crazy)
Surviving romance ( romance novel turned apocalypse, takes place in school)
Shotgun boy ( a class trip goes wrong when special evolved people appear) -prelude to “home sweet home”
night of shadows-mc can see the future through her dreams and dreams of apocalypse and well the apocalypse does happen in school
survive romance-not romance, very girl power which i love, mc got transmited into a shojo story but on the day the ml is suppoused to confess the whole school turns into zombies and mc keeps dying and then waking up on the same confession day and is trying to not dye bc of the zombies,
School apocalypse manhwa pleaseeee