Eternal life begins with saving my clan - Chapter 404 The City Lords Alliance.

'S-Rank Adventurer & Reincarnated Otherworlder' Sebastian is thrust into the role of ‘Head Butler’ for a mysterious upstart noble in the kingdom’s most dangerous, ungoverned region—The Garden of Hell, where powerful beasts roam and rule the land...!What he doesn’t expect is that the young noble he’s assigned to serve... is none other than the villainess from an Otome Game in his previous life!But this villainess is far from the arrogant, malicious figure he remembers...Having lost her engagement to the crown prince and fallen into disgrace, she’s now tasked with creating and managing this dangerous territory in the Kingdom of Florentia.Now... Sebastian must help this fallen villainess regain her honor while serving as her head butler—all while working to transform this perilous region into a prosperous one!TAGS AND GENRE:Romance | Comedy | Fantasy | Slice of Life | Kingdom Building | Action | Reincarnation | Villain | Villainess | Otome Game | Royal Family | Drama

Lin Qing He transmigrated into a novel and became one of its cannon fodders. The novel’s background is non-viable 1960s, a time of want to eat but nothing to eat and want to wear but nothing to wear. Although there is a lack of supplies and life was monotonous, this wasn’t what she was concerned about because she got a small personal interspatial space, which was stuffed with supplies, so temporarily there were no worries about her basic needs.What she’s worried about is that if she remembers correctly, her three so-called sons will become big villains in the future, and their upright and cold dad will end up with an undeniable end.Lin Qing He looked at the three future villain sons, the eldest who was only five years old, the second child was only three years old, and the third child was only one year old, and decided to give them half of a big white bun first…

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

One-eyed Wolf Lecan is a skilled adventurer who has conquered many dungeons all over the world. He had been going solo for a long time, but in the last three years, he’s had a partner. That partner jumps into the black hole together with Lecan, and both go their separate ways as they fall into another world. Dungeons and magical beasts also exist in that world. After learning the native language, Lecan goes on a journey. Meeting a good teacher, Lecan studies medicine making and magic under that teacher, and begins his dungeon explorations for real.