Take My Sister-In-Law Through the Black Hole and Go Back to the Past

Li Muyang and his sister-in-law Su Yunxi were sucked into a black hole while performing a mission. Li Muyang started the space jump, and after going through a lot of hardships, he finally escaped from the black hole and reached the sky above a blue planet. Later I learned that this was their home planet, Earth, and that they had gone back to the years when New China was first established hundreds of years ago. When he first landed on Earth, Li Muyang destroyed Yingjiang's aircraft carrier fleet. On the battlefield, Li Muyang was a killer who frightened the enemy. In terms of scientific research, Li Muyang was the leader of many national projects.