If You Unexpectedly Become the Father of Two Children, Then We Will Become Immortals Together!

He Chuan, who had a successful career and was a staunch bachelor, accidentally became the father of two children through time travel and awakened the system. System: "Please host repair the relationship with your children as soon as possible." He Chuan: "What if I don't? I'm single and I can repair the market?" System: "Start the self-destruct program and the host will be killed. 5, 4, 3..." He Chuan: "Wait a minute!... Let me give it a try!" … Many years later. "Jingyun. Xiaoman." "Together with dad, we will become an immortal!"