“For my dear stepbrother… starting today, I’ll become a villainess!” Adele, the daughter of a ducal family, has long harbored a quiet affection for her stoic stepbrother, Edward. But just before her debut into high society, she learns a shocking truth: for Edward to inherit the dukedom, he must marry her. —That kind of engagement… it would be too cruel for him! Thus, Adele hatches a ridiculous but heartfelt scheme: Villainess Plan: Become a selfish, scandalous villainess Get herself disowned from the family Break off the engagement so Edward can become the next Duke! As Adele—a hopelessly clumsy noble lady—throws herself into her villainess role out of love, things take an unexpected turn… and a love triangle with the crown prince begins!? A glamorous, chaotic romantic comedy of crossed wires and noble intentions begins! [Web Novel](https://ncode.syosetu.com/n7009gs/) [Web Manga](https://www.cmoa.jp/title/310838/)

*"Kangan" Series #1 : [Koutei to Kangan](https://www.mangaupdates.com/series.html?id=122158)* Features Emperor Tai Lan and Hai Yan. *"Kangan" Series #2 : **Teikoku no Kangan*** Set before *Koutei no Kangan* and * Itsuwari no Kangan*. Features Emperor Tai Lan's second oldest brother, former emperor You Gen, and Jian "Bi Jian". *"Kangan" Series #3 : [Itsuwari no Kangan](https://www.mangaupdates.com/series.html?id=144786)* Set before *Koutei no Kangan*. Features Rei Rin's older uncle, the head eunuch, Yang Ning, and Hai Yan's "older brother", Ma Shi Liang.