is a kekkei mōra which allows the user to manipulate their blood cells. By infusing their stem cells with chakra, the user can create any kind of blood cell in copious amounts and to their liking. It is said to be the sister ability of Shikotsumyaku and has origins within the same clan as the aforementioned ability. Shiketsumyaku first manifested within Aidoneus who then passed it on to his followers. As such, it is seemingly just as rare as its sister ability.