Siheyuan: Starting at 62, a Heavy Industry

[Siheyuan + System + Beast Control + Technological Power + Period Fiction + Single Female Protagonist] This book is full of violence, so don't read if you don't like it. Li Ping'an accidentally travels back to 1962, arriving in a world filled with beasts. His childhood sweetheart, a fairy-like sister, has just returned from graduation and sees beasts attacking his house. He awakens his resentment system. By inducing resentment in others, he earns points for a lottery. He immediately engages in beast abuse mode, holding back without mercy, and, more importantly, guiding everyone forward.