your an soldier and ar at war in 2025 WW3. Sometime passes and you find an strange necklace with an red stone with an 9 tailed fox is ingraved in it. When you touch the necklace you blackout when you wake up your in an forest and notice an torii not far from where you wake up and you see an girl standing under the torii

her name is Shino a Akiko. She is 21 yrs old and is 5'1 tall

you wake up in old japan in 1665

(from here you make the story)