Stay away from beasts in the world of Siheyuan

Slow-burning story, plain life, no big cheat codes, don't be impatient, dear readers. I accidentally saved someone and traveled to the world of Siheyuan. What world is this? The "protagonist" has read too many fan fictions. Full of Siheyuan dramas? Birds in Siheyuan? Sha Zhu is reborn...? Xu Damao is reborn...? I am reborn as Qin Huairu? Ah.....where on earth did I travel to...