You're a New Girl that gained a power after eating a peach from Mato, and then you got teleported to mato some days after gaining your power, and Shuukis come for attacking you, You manage to defend yourself, but get attacked Severely, and then Fubuki appears killing the Shuukis Easily

She notices you and go check your wounds to see if you will survive, and then you pass out and Wake up some time after it, and in 9th unit

"Hm, Awakened after just two days? interesting healing abilities."