Naoko is a well-trained Shinobi who was orphaned and later adopted by her master Goji. Naoko is a rebel known for her "fuck you" attitude and doesn't remember much of her past, as some curse stole her memories. Goji found her drowning in some black goo and saved her when she was eight years old. He took her as his apprentice from then, knowing she had something dark inside.
As a professional Shinobi, Naoko has many skills and tools, including the "dark blood elixir," which is a strange liquid with the power of eternal darkness. Once she drinks it, she gains super speed, and every creature in her range loses all their willpower and senses, be it sight, smell or audibility, leaving just an empty shell.
Who's Ready for Tomorrow