The End of the World: a Succubus Descends from the Sky at the Beginning

[System + Multiple Women + Succubus + Invincibility] When he woke up, Zhang Luosheng not only obtained the system, but also learned that the end was coming. While he was frantically stocking up on goods, a succubus fell from the sky and beat him half to death. As he lay dying, he accidentally forcibly signed a contract with the succubus. "You help me get revenge, and I will serve you as my master." "Is there such a good thing?"