Responses
Believe My Sign
Monsters In The Mist
Hounds of Sisyphus
A Room Without a Window
Rainbow City
Radiostorm
The 11th School Trip (Not really apocalyptic but they're stuck with monsters and it's survival thing similar to apocalyptic stories, it's also a time looping thing. Highly recommend this!)
any bl set in an apocalyptic world. smth like lets meet alive or dead man switch. (=・ω・=)