Siheyuan, I Will Send My Grandma to My End at the Beginning

My name is Jia Geng, and I am a high school freshman. I never expected that I would travel through time and space, Came to the world of courtyard houses known as "birds". What I didn't expect was that as a "white-eyed wolf", I actually sacrificed my grandma to heaven at the beginning! No, system, I want to start over, I want to change the start. But... I don't have a system, As a time traveler, I don't have a system! ! ! It's over, can I still be a son of the plane? Without a system, can I only make a living by sucking blood? No, I refuse, I refuse! I never expected that I would eventually change the ending. As the only man in this family, I, Jia Geng, successfully married Bai Fumei and reached the peak of my life. This year Jia Geng is 13 years old, Xu Jingli is 10 years old, Little Lazy Cat is 4 years old, and Little Yuzhu is only 3 years old! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.