The Boss of the Whole Family, I Am Invincible Lying Down

[Cool article] + [System] + [Easy and funny] + [Invincible background] + [Invincible] + [Multiple female protagonists (don't enter if you don't like it)] Jiang Yichen travels through the fantasy world Reincarnated as the most powerful emperor in all worlds, the son of Emperor Jiang Tian. His mother is the daughter of the Ji family of the ancient imperial clan. Not only that, he also has five evil sisters, each with their own heaven-defying physiques. Grandpa, uncle, and aunt are all quasi-emperors. However, as the darling of the Imperial Clan, he has talent... And no physique? Mortal body? Bite! Congratulations to the host for binding invincibility and developing a broken system. Many years later The eldest sister of the Holy Land Goddess: Little brother, this is the eternal immortal marrow that my sister got for you. You can refine it to create the supreme foundation. Jiang Yichen: No! The second sister of the divine saint: My little brother, this is the supreme magical power that my sister has given me. It can help you build an immortal golden body. Jiang Yichen: Don't learn! The third sister of the Demon Palace Witch: My sister, these are the five hundred female cultivators from the lower realm that my sister got for you. They can help you become a saint through dual cultivation! Jiang Yichen: No... Hey hey! Wait a minute!