Agent Demon Concubine

They are the four ambassador killers of the "Qianruo Gang" who have never heard of the news in the world. Zi Yixuan in the east, Yu Daixun in the west, Xiyahan in the south, and Mo Xichen in the north. They were forced to attend "Qianyi" high school because of their pursuit of space-time chips that can travel through time. There, they met the heirs of the four major families. They met and fell in love with them. After the four of them went through many hardships and finally prepared to be together happily, the four of them found the chip and opened the tunnel of time and space by God's will. The button of the thousand-year love dream was unlocked... After traveling to another world, they turned into demons and met the Demon King, Pluto, Demon Lord, and Emperor respectively. Love, hate and hatred slowly surfaced. Can they find happiness in the 21st century? Putting everything aside, can love across time and space succeed? See how the spy concubine controls the world and dominates the world...