The heir of a kunoichi turned out to be a man

:​"In the final years of the Heisei era, the legendary Hattori ninja clan faces its greatest crisis yet: extinction. With no female heirs left to carry on the secret arts of the Kunoichi, the burden falls upon the sole remaining descendant. The only problem? He’s a boy!​Forced into high school skirts and 'cute' disguises by his desperate, unpaid retainers, young Hattori must navigate the treacherous waters of modern society while hiding his true identity. From deadly combat training to the even deadlier world of 'free dinners' and awkward dates, can this reluctant ninja master the art of womanhood before his cover is blown? Or will the Hattori legacy end in a whirlwind of lace, lattes, and lethal embarrassment