Xiao-Bai, a white snake demon, is sent on a mission to assassinate the Emperor's Taoist advisor, who has been killing snakes en masse in order to achieve immortality and curry the Emperor's favor. Xiao-Bai, however, is attacked by the advisor's lackeys before she can reach him and is subsequently defeated. Luckily, the demonic hairpin she was granted by the Snake Mother is able to save her life at the cost of her memories. Xiao-Bai awakens in the Snake-catcher village, unaware that she is actually a demon or that she is surrounded by her sworn enemies. She meets Xu Xuan, the man who saved her, and is charmed by him. The two set out on a journey to discover who Xiao-Bai is, and learn the secret of her demonic hairpin. The pair is pursued by Xiao-Qing, Xiao-Bai's sister, who has sworn to the Snake Mother to retrieve Xiao-Bai within three days or die trying. As Taoists, demons, and humans collide, a tale of forbidden romance unfolds.

Equally charming and stern, Heine Wittgenstein is a brilliant man who commands respect, despite his short, childlike stature. Thus, the king of Grannzreich has called upon Heine to undertake a daunting task that has driven away many before him—become the new royal tutor to four princes who are in line for the throne. The four heirs each have very distinct and troublesome personalities: Licht, the flirtatious youngest prince; his immature older brother Leonhard; Bruno the studious third prince; and Kai, the oldest of the four and the most reserved. Hilarity ensues as Heine attempts to connect with each of the princes in order to groom them for the throne. However, Heine's mysterious past and dark undercurrents in the present may threaten the harmony within the kingdom. [Written by MAL Rewrite]

High school student Yoshiharu Sagara wakes up and finds himself in the middle of a raging Sengoku period battle. He is saved by the legendary Hideyoshi Toyotomi, but at the cost of the hero's life. With his dying breath, the warrior pleads for Yoshiharu to become a feudal lord in his place. Now that the course of history has been changed, Yoshiharu pledges to keep the timeline from diverging any further. Yet, after rescuing Nobuna Oda—whom he discovers is actually the fabled Nobunaga Oda's female counterpart—Yoshiharu realizes he has been transported to an alternate reality where most of Japan's historical warlords are now cute girls! To set things right and find a way back home, Yoshiharu agrees to become one of Nobuna's retainers and assist her in a conquest of Japan. As Nobuna initiates her campaign, Yoshiharu discovers that the history he learned from playing the video game "Nobunaga's Ambition" allows him to predict future events and turn the tide of war. Using this invaluable gift to aid the Oda clan's beautiful generals, Yoshiharu hopes to help his new lord fulfill her dream and win the hearts of women everywhere. [Written by MAL Rewrite]

Original anime DVD bundled with the 12th, 14th, and 17th volumes of the manga.