"It sounds like it happened in our world a few years ago. My, um... well, someone I know's done a lot of research into that sort of thing. And I know Crow-senpai's hometown had some strange supernatural things going on, too."

But he saw the building, and the moon was fine, too... So supernatural stuff on its own isn't the problem, is it? She taps her chin with her index finger, pondering this.

"I think, maybe, it's not the supernatural things that cause you to forget, but specifically what's inside places like that tower. That doppelganger, too. I think any time you see monsters here or superpowers, that might be a trigger? And I know that has to be a pain to deal with..."