I can't remember the name of this horror webtoon. A school gets sucked into a black hole. It spawns monsters that follow classroom rules and you need to find the loopholes in order to beat the monsters.
44th Period Survival Class, i think
https://www.mangago.me/read-manga/44th_period_survival_class/
I can't remember the name of this horror webtoon. A school gets sucked into a black hole. It spawns monsters that follow classroom rules and you need to find the loopholes in order to beat the monsters.