I am a chaebol in South Korea - Chapter 188: Sisters~

A wicked mother one day brought home a girl. The child was the hidden legitimate daughter of the duke, the heroine of [The Duke’s House Has Three Sons and One Daughter] Loretta. I was Melody, the villainous girl who tormented her and was condemned along with my mother. Not wanting to die like that, I decided to start treating her well now. I personally fed Loretta, put her to bed, and played with her. And then her reaction was…? “I want Melody to marry me!” Caught off guard by her endless affection, I too ended up entering the duke’s family, “I’ll stick right by Miss Melody’s side.” And there, it seems I’ve met a young lord who’s an even bigger ‘Melody fool’? All I did was be kind to survive, but why am I being loved…?!

What if your worst enemies suddenly became your most devoted allies—because you turned them into irresistible, enchanting femboys?Meet Cecil: a cunning, ruthless mastermind hiding an extraordinary power beneath his calm exterior. With a single stroke of his feathered pen, he transforms those who dare to cross him into beautiful, loyal members of his ever-growing harem. But this isn’t some silly game—it's a calculated campaign to build a nation unlike any other.In a world of secrets, magic, and brutal politics, Cecil must navigate a treacherous landscape filled with dangerous foes and hidden agendas. His targets? Only those who insult, threaten, or betray him. His allies? A charming, fiercely loyal band of femboys who live by his side in a shadowy sanctuary.If you think power is all about strength and magic, think again. For Cecil, true power lies in control, seduction, and a pen that changes fate.Welcome to the Velvet Court—where loyalty is beautiful, and revenge is intoxicating.

Li Yuanqing transmigrated and became the crown prince of Northern Kingdom. He was sent to the borders, after his cultivation and meridans was crippled, because he refused to marry a princess and was not allowed back into the palace ever.

Just then, the Hundred-fold Sign-in System was activated!

Outside his house in the Wilderness, he signed in and received 100 Replenishment pills!

Beside the lake of the Wilderness, he signed in and received 100 Marrow Cleansing pills!

Among the warriors of Myriad City Kingdom, he signed in and received 100 Heavenly Skill manuals!

…

Li Yuanqing had thought that if he just signed in silently and received the hundred-fold reward, he would be able to watch over his younger sister until she became the ruler of the kingdom and until he became invincible.

But he had never thought that one day, the queen of Myriad City Kingdom would come to meet him!

“I am willing to use Myriad City as my dowry. Will you marry me, Your Highness?”

Li Yuanqing did not know what to do when he looked at the queen smiling beautifully before him…

It’s a affair between a loyal dog servant and his master.

- Description from Novelupdates