But it makes sense. As a theory. After all, you guys were super weird about that one night where you were knocked out of commission before Hiyori died.

[a pause, and then she digs her phone out of her pocket, thumb flicking across the screen until she pulls up the coupon app. she shows Sally the phone, with the one mind altering spell, used.]

With this, I was able to restore Viola's lost memories, but only for twenty seconds. Mine was only one use, but-- I could. . . you know. In the future, try something similar with you?