About the book: year / A girl with blue-black hair and blue eyes, fifteen years old, is brought to Konoha. ANBU found her at the site of a destroyed village, for some reason she is suspected of killing all the villagers, as well as destroying it. Therefore, Hiruzen decides to give her to the care of Kakashi, who was deeply depressed. How will Mio affect Kakashi, will the girl herself change? How will this girl's sad story end if her main enemy is still alive??