Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 6 - Intermission: Muno Castle's Servant

A powerless woman’s worst nightmare is marrying someone against her will. When those who are supposed to protect her betray her in the vilest of ways, Leonor is forced to marry a Duke known for his cold nature and repulsive appearance. After a miserable childhood, it shouldn’t have been a surprise to her that her future was never truly in her hands in the first place.Duke Desmond de Montclair was nobody before the war. He garnered the King’s favor by doing the impossible in battle. Unfortunately, any achievement is eclipsed by his appearance and unbearable personality. In a kingdom that idolizes beauty, there is no room for someone like him.At first, Leonor finds life with the Duke to be what she’s used to - walking on eggshells and never speaking what’s truly in her heart. Eventually, things slowly start to change as the Duke learns about the horrors she faced while living with her family. His power becomes the key to her revenge.However, in a moment where she feels cornered, Leonor confesses to the Duke that she’s in love with someone else. The progress she has made with the Duke comes crashing down around her.Will her magic abilities be enough to convince the Duke not to throw her out? If she can make herself useful to him, perhaps she can gain his sympathy somehow…

Before rebirth, she was weak and it led to her losing 20 years of experiencing true love because of misunderstandings.

After rebirth, Su Nuo boldly declared her sovereignty: “Gu Chenglan is mine.”

Young Master Gu immediately raised his hand: “Yes yes, my wife is saying the truth.”

Young Master Gu swore an oath: I am a very principled man! Pampering my wife is my only principle. It’s that kind where there’s no bottom line.

Su Nuo’s famous remark: Unexpectedly, I’m suitable to be the richest man’s financial adviser and not only a good doctor. Even if you give me all you got, my family has me!

- Description from Novelupdates

A man who had emerged from the world’s most secure prison—God of Death Island, known as a super-powered being called the God of Death, had grown tired of the bloody storms abroad and now, like a hidden dragon, he had returned! But due to an accident, he became the contract husband of a beautiful CEO! From then on, he ruled the city, crushed the petty and wicked, and embarked on the tyrannical journey of an urban legend!

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don’t know, is that this fight will cost them more than they could have ever imagined.