Big update, in chapter 32 of "Kunoichi no Ichi no Ni" the sequel to "Kunoichi no Ichi" the main character transforms into a woman. I'm not sure how, but I guess the next chapter will explain why. Keep your eyes peeled for chapter 33 in the next week or so.
https://lhscan.net/read-kunoichi-no-...hapter-32.html