So I’m the Fairies’ Cultivation Partner?

Chen Qi transmigrated into a world of immortal cultivation, bringing along a Seed Demon Space. As long as he came into contact with an immortal maiden, he could plant a demon seed and replace the demon in her heart! As their contact deepened, Chen Qi could obtain the immortal maidens' cultivation realms, techniques, insights, and other valuable assets, until he had turned them into complete puppets! Only when countless immortal maidens, demonesses, gods, and even incarnations of the Heavenly Dao obeyed his every command did Chen Qi finally understand one thing. “So all along, I'm the immortal maidens' cultivation path?”