I have been transformed by the system

Ordinary Song Yang's parents are missing, with a five-year-old younger sister, living a difficult life, accidentally awakening the system, but he has to be a door-to-door son-in-law and is ridiculed by thousands of people, but life is my life!See how Song Yang fights heroes, stepping on the second generation, and conquering the world!

Main characters: Song Yang, Liu Ruyu, Song Le, Ren Suxi,

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