“Oh, it’s a cockroa—”

“Don’t say it! If you say it out loud, it feels like they’ll burrow into my brain, too!” Tomochika interrupted in a panic. On the walls of the stairwell, a huge number of bugs — mostly cockroaches — had gathered. Totally unmoving, the insects waited all around them.

...

“For now, it seems like they’re content to just watch us, so let’s get outside.”

“What if they jump at us?”

“I’ll kill them...but of course their dead bodies will still be flying at us.”

-Volume 1 page 203