Didn't she mention that she hates guns? Now she knows guns and has a favourite one?

Maybe instead of 'donation', use 'gift' instead?

isikaied-> iseki'd Ho-> Do you mean 'holy' or 'oh'?

So good. Everything about it is so well written. And the mystery! One thing though is that this story switches between the present and past (Or maybe future and present?) in the middle of every chapter. It sort of acts as a spoiler, but overall, this is definitely good.

Now that's the correct way to think! And even better; smile~

Wow she's OP