How much freedom do they have in crafting things? Because right now I'm thinking of the possibility that there's some absolute madlad with gun knowledge and a degree in mechanical engineering secretly making a tank somewhere.
@MarqFJA87 We can safely assume that Risu knows Fulio's powers to some extent (they are husband and wife, there's bound to be some communication on the topic off-scene), but only to some extent because even Fulio himself doesn't know how powerful he is. This is supported by the fact that in the...
@tuatara1 I agree, though I would've preferred them starting as companions first then slowly form their friendship (or romance, but I don't like polygamy) instead of having it forced in such a short amount of time (friends view themselves as equals, she views him as a savior).
On another note...
In shounen, most slicing/slashing attacks are non-lethal if they don't fully cut through someone (it should still hurt 'em tho). What you should worry about are stabbing attacks.