A top agent from the devil's training camp was shot and killed by her superior's mutiny. However, she is reborn and becomes the powerful third young lady of the Yan family who is escaping from the extermination……

Aki Itou is a normal highschool girl doing normal things: reading books, feeding stray cats, eating at restaurants with her friend Kumi, dreaming of being an adult, and admiring the boy she likes. However, reality is not always kind to girls with dreams, as she finds out.

Murai is a second-year student at Takebe Gakuen High School enrolled in the college preparatory course. His homeroom teacher, Tanaka, summons him to her office after he declares that his post-high school plans are to marry her. Tanaka rejects Murai, telling him that she would never be interested in a boy with long, black hair. Secretly an otaku, she has eyes only for Hitotose, a character from an otome video game. The next day, Murai appears before Tanaka a changed man. Having cut his hair short and dyed it blond, Murai looks exactly like her beloved Hitotose. Tanaka is unable to hide her shock at this sudden development and tries to distance herself from Murai, while Murai presses on in his attempts to romance his teacher.

Fourth season of Ling Jian Zun.