Manyu ScrollManyu Scroll.

Manyu Scroll (魔乳秘剣帖, Manyū Hiken-chō; lit. 'The Secret Scroll of the Magic Breast Sword') is a Japanese manga series written and illustrated by Hideki Yamada. It was published in Enterbrain's bishōjo game magazine Tech Gian from July 2005 to November 2011, with its chapters collected in seven tankōbon volumes. Set in a parallel version of the Taihei Edo period, the series follows Chifusa, a busty kunoichi learning to be samurai.