Witcher: I Can Extract Everything - Chapter 16

An Jing had transmigrated into the body of an ancient farm girl whom everyone could bully.On the day she crossed over, she was sold. Alright, seizing the servitude contract, stepping on her good-for-nothing parents, she held her freedom in her grasp, she was in charge of her marriage, she called the shots for her future—nobody could point fingers at her!An Jing assertively slapped her servitude contract onto the man beside her, “Keep it safe, from now on I belong to you.”The man: “......”The man doted on her. Whatever she wanted to do, she did, and they even teamed up to torment all sorts of scum. The couple's life was incredibly satisfying.It's just that the man's identity...(A gratifying story, with both strong male and female leads, 1v1 pampering)

I was reborn into a chaebol family.Into a time with no cryptocurrency, no internet, and nothing else.

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

Second Awakening? A System? Having lost the battle of the Dark Catastrophe to the demons—spawns of the Dark Gods— humanity is given a chance at making things right once again. Born as a twin into a family of high ranking talent awakeners, Damien Terrace is met with trouble when it is his turn to perform the ritual. After awakening the E-Rank Summoner talent, Damien loses everything to his twin. Exiled by his father to perish away from them, Damien goes through a second awakening that changes the play field for him. Ding! [The God of Summons is furious and has blessed you with a system!] [You have fused with the Mythics Summoning System—A system that only allows you to summon mythical beasts!] [Obtain nineteen Magic Essence Cores to boost your core to the next level!] [Slay 200 more demons to unlock another summon!] Damien’s only option is to evolve!