MTL - The Divine Martial Stars - ~ 1539, amazing gift

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

They whisper my name in fear. Justin Black. The guy who sits in the back of the class, always in black, always untouchable. The one everyone watches but no one dares to approach.They don’t know me. Not really.Because if they did, they’d stay the hell away.I don’t do friends. I don’t do relationships. I don’t do attachments.But then there’s her.June Matthews—cheer captain, golden girl, a walking distraction. She’s everything I hate… and yet, she’s in my way. Assigned to me. Forced into my space. Testing my patience.She thinks she can handle me.She’s dead wrong.Because I have a secret. A place where I go to release the darkness inside me. Where names don’t exist, where pleasure and pain are one and the same. A world where people fulfill their deepest, most twisted fantasies.June doesn’t belong in my world.But the longer she stays, the more I want to pull her under.And once I do… I’m not sure I’ll ever let her go.

Despite being betrayed by her boyfriend, the neglected heiress Lariette Elsher is still forced to marry him – all because her family wants to appease the fake daughter. The one she was switched at birth with.Screw this! She's done playing nice!Devasted and enraged, Lariette seeks her friend's help – to pick the best man at her butler cafe to be her contracted husband.Enter Ruediger Alvord, infamously known as the poor outcast of the Alvord family, the Elsher's family nemesis. He proposes to be Lariette's partner-in-crime, to wreak havoc in both families.While Lariette is busy getting her revenge, she fails to notice her contracted husband's strange behavior. She also fails to recognize him from a distant past.Before>Ruediger: I have nothing much on my name but, I can be a good househusband.Lariette: It's okay. I can feed you.After>Ruediger: Do you want that house? It's nothing much. Only one billion.Lariette: Aren't you just... a househusband?Since when is her husband a billionaire?!

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.