Chen Daojun, a wealthy influencer from Earth, suddenly transmigrates into the world of the hit Korean drama 'Reborn Rich,' inhabiting the body of the protagonist's younger brother. Awakening on his wedding night to the stunning Mo Hyun-min, he discovers he is bound to the 'Many Children, Many Blessings' System. This powerful cheat grants him an incubus physique, enhancing his charm and physical prowess while requiring intimate contact with women to sustain his strength.

Every child he fathers further boosts his rewards and status. Seizing the opportunity, Chen Daojun intercepts the romance intended for his cruel older brother, seducing the despairing sister-in-law and binding her to him with absolute loyalty. Now armed with demonic transformation abilities and a harem-building mission, he navigates the treacherous waters of a wealthy chaebol family.

As he manipulates family dynamics and rewrites the drama's tragic plotlines, Chen Daojun aims to dominate South Korea's elite, turning every obstacle into a stepping stone for his growing empire and ever-expanding family.