Bent on finding this mysterious woman, Ryuko sets out in search of the owner of the other half of the Scissor Blade.
Ryuko only caught a glimpse of the female attacker, and Isshin passed on the Red Scissor Blade that he had been stabbed with. One day when she returned home to respond to a letter he had sent, she found Isshin on the verge of death. She was sent to a boarding school at a young age and rarely saw her father, Isshin. She was thought to have died in the lab, but she was secretly raised by Isshin Matoi, who was actually a disguised Soichiro. When their experiments on her older sister failed, they then attempted to bond Life Fibers to her almost immediately after birth. Unknown to Ryuko for most of her life, she is the second-born daughter of Soichiro and Ragyo Kiryuin.
