Responses
11th School Trip (it's bl but there's basically no focus on romance yet, peak)
Survive Romance (het, I haven't read this one since 2021 but the reviews say it's pretty good)
Sweet Home (the OG, I would be surprised if you haven't read this yet)
Shotgun Boy (prequel to Sweet Home but was released later)

I recently finished School Bus Graveyard so now I’m on a hunt for more survival-type manhwas. Please drop if you have some