The Dragon King's Harem System - Chapter 7. Mark of Bride (18+)

The little handsome son-in-law passed through a world as waste material and the husband of a wealthy family. But because of his lacking aptitude, the wealthy family had driven him out. So he worked hard and found a more powerful family’s thighs to hold onto. Soon enough, he became the strongest son-in-law and husband in history.

In this world, it was impossible to practice martial arts. It was futile so he might as well take advantage of his wife’s thighs and maintain a comfortable and leisure lifestyle.

He’ll train his wife to become the strongest and best person in the world.

“Whoever dares to provoke me, let my wife kill you!”

- Description from Novelupdates

Known as the youngest academician-level senior engineer, Zhao Guoyang was reborn in the 1990s. In this era of economic globalization, with his extraordinary wisdom and extraordinary insights, he created one miracle after another and became a name that shocked the world!

Wisdom is condensed every bit, brilliance is created by sweat, and witness the rise of a great power!

- Description from novelbuddy

“Love Tripped Into My Room: I Just Wanted Peace, Not Panties”Kaito Tenma just wanted a normal life. Wake up, eat toast, avoid drama, and maybe—just maybe—confess to his beautiful, blunt childhood friend, Riko.But fate sucker-punches that dream into space when a half-naked girl crashes through his ceiling and declares his room as her new home. Now he’s living with Yuna, a mysterious (and dangerously clingy) bombshell who thinks clothing is optional and personal space is a myth.From lewd accidents to jealousy-fueled misunderstandings, Kaito’s life spirals into a wild, hilarious mess of high school chaos, horny misunderstandings, and girls who seem way too interested in ruining his peace.He didn’t ask for a harem. He didn’t ask for trouble. But trouble keeps tripping into his life—one girl at a time.

Nagi who was summoned to another world acquired the「Skill Structure」skill.

Nagi felt the hints of black job from the king’s request 「To defeat the devil king」. He leaves the castle and starts his journey with a slave girl.

The small demon girl Cecyl, the melee-fighter beast girl Rita , Aine the onee-chan maid, Regii the cursed sword.

Rafiria the warm and fluffy elf and Iris the sea dragon shrine maiden.

Nagi rewrites the girls’ skills and made them into 「cheat characters」one after another.