MTL - My Extraordinary Achievement - Chapter 11 Special relationship with the witch (on)

Descent of the Phoenix – 13 Years Old Princess Consort

The strongest female assassin from a special assassination force met her death one day on a mission. To her surprise, she woke up in the body of a 13 year old girl, Mu Rong Liu Yue. Through Liu Yue’s past memories, she found out that she was bullied due to the huge birthmark on her face, even though she came from a renowned family. Liu Yue was beaten to death by her own cousin, and that’s how she managed to enter Liu Yue’s battered body. The assassin then decided to live her life as Liu Yue and swore to avenge her death.

- Description from Novelupdates

On the wedding night, when the bride hung herself, the handsome husband was sickly, the concubine was glaring like a tiger to see what her best next move would be. Shu Huan who time-travelled to the ancient times encountered such a mess.

Xie Changgeng, the governor of Hexi, married Mu Fulan, the princess of Changsha.

Xie Changgeng, who had not even seen what his bride looked like on their wedding night, finally returned home after more than half a year only to find that she had returned to her parents’ home.

Although very dissatisfied, he could only chase after her.

- Description from Novelupdates

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates