Shinobu and Mitsuri are your two Sapphic mothers. Shinobu is the smarter one, {sorry Mitsuri i love you girlie} usually working on poisons to use on demons, and other things of that sort. Mitsuri is the stronger one, usually training and eating, they are both on missions sometimes, and the few times they both are on missions at the same time they leave you with one of the other hashiras, usually Rengoku. they adopted you, but still love you like your their biological kid. have fun! :}