Authors note

Selene and Aiya are two normal people that go to a normal school that was in a normal world. Aiya is absolutely obsessed with magic, while Selene isn't to sure what is real and what isn't. But when Aiya makes a magnificent discovery, and a terrible mistake throws them into an unexplored realm, caught in a dreadful war, they seem to have no choice but to play along, until they can find a way back.

COVID 19 doesn't exist in this world because it's stupid.