My Sister Was on a Business Trip and I Stayed at Her Best Friend's House!

Yang Chen traveled to a parallel world and discovered that he had a sister. On this day, his elder sister Yang Xiaowei was on a business trip. She said that her home was going to be renovated, so she asked him to stay at her best friend's house. But what Yang Chen didn't expect was that his elder sister Yang Xiaowei had four best friends and they all lived together. When the old sister took him to knock on the door of his best friend's house. Li Yatong: "Brother, you want to stay here for the night?" Qin Xue: "I agree!" Xia Youran: "Welcome, welcome!" Lin Wanrou: "I agree with both hands!" ... When Yang Xiaowei came back from a business trip, she was completely shocked when she saw her four best friends. "I treat you as best friends, but you actually want to be my younger siblings?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.