@Abedeus
Fun story: there is whole plethora of things that claimed to kill the knights. Did it stopped polish knights? Hell no XD
AFAIK its not even firearms in general - that was around for quite some time - but specifically muskets. What's so different in muskets? They are really big.
"I like her. I'll tear her limb for limb". The moment you remember oni don't lie with Suika being pretty ambiguous regarding that rule.
Kanako is gorgeous though.
Pfft. Magus saving humanity? Why even suggest it.
Every magus is after one thing: Source or Origin or whatever it called. Though I am not proficient enough to figure out if actually becoming "It" is a deviation/corruption or legit goal for magus.