https://www.fanfiction.net/s/11785939/1/Rise-of-the-Broken-Manjuu-Church
Here's an interesting story I ran across. It features a Sanae who was turned into a half-yu half-mechanical being due to some sort of virus. Sadly, it seems this one got abandoned judging by the date. A dang shame, since this is something a bit out of the ordinary that could have gone places.