Shock! I Traveled Through Three Thousand Worlds with My Birth System

The social animals were fooled, and the sudden death tied up the childbirth system. What? ! Traveling through thousands of worlds, conquering the heroine and asking her to give me a child? God, are you sure this isn't a great benefit to me after being a social animal for a long time? As a result, the system gave me a mallet the next second. "Your identity in time travel is the male supporting role, the male protagonist's old enemy, and the female protagonist's backup." Me: "..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.