In the quiet depths of a merchant's mansion, kunoichi Yasuzu encounters a band of men altered by the mysterious Aura of Ogre into relentless Demi-Ogres. Though she strives to preserve her dignity, their persistent advances push her endurance to its limits, surrounding her with overwhelming force. Amid the turmoil, her mind turns to her respected senior Botan, whose strength and grace become the sole focus of her thoughts.