"A katana has a very powerful cut, but is fragile from the side. That is why most samurai practice the same cut hundreds of times to that they can deliver their best blow without hesitation"
Mitsuri: *does that*
I still want her to protect me, though.
My son, you're now a man and have to make a choice.
You'd want a story about ancestry and passing on your thoughts and will so that even if you die, they shall live, or...
...Inexplicable, irrealistic and pointless reincarnation?