Typically, your coding regenerates. I have witnessed several deaths. The fact that you are injured and not revived is more mysterious than the fact I lost and I am here.
_{[ Katsura goes back to merely playing with Gintoki's hair as he falls into some more thoughts, looking at the little curls along Gintoki's neck still trying to spring back into place when he disturbs them. ]}

..But this.. ah.

_{[ He feels himself choke slightly and places his palms on Gin's back, falling quiet for a long time. It was a little awkward, but he finally musters up the right words to say, and he speaks them quietly. ]}

My punishment. I had to watch you die before my eyes.
_{[ His hands leave Gintoki's back all together, Gin's hair still a shampoo mess since he hasn't rinsed it out yet. ]}

I .. saw it. And then.. I saw your ghost.