[Original Manga](https://www.cmoa.jp/title/312962/)

https://mechacomic.jp/books/228684

Hongyu, princess of the Lin Kingdom, was born with white hair, which is said to bring misfortune. One day, a rebellion broke out. The inner palace was burned, and she lost everything. Five years later… she lives a life of poverty among commoners, named as Honglin. But fate takes another turn when she enters the imperial harem of the current emperor, Guan Zhao, the very man who once led the rebellion. Using the knowledge she gained as a princess, Honglin begins to stand out in a problem-ridden inner palace. Even the strange and enigmatic imperial guard starts to take notice of her. But his true identity is actually… the cold emperor, Guan Zhao, who is rumored to despise women and never show himself in the inner palace…?!

A sudden accident thrust Bai Yan into a deadly game filled with terror and danger. The only thing Bai Yan could rely on was a curse known as “Entries.” It is said that whoever survives these trials will gain the power to change everything... (Source: Bilibili, translated)