I'm Just a Female Supporting Sister, Male Lead, You've Crossed the Line

First encounter at the bar Gu Xiying: I actually dressed up as the male protagonist's sister, and we were in a bar. It was really exciting. Gu Xiying: You are my father's unrelated son. Pei Jinmu: Who are you? Gu Xiying: You don't know me? Pei Jinmu: Oh? It seems we should be familiar with each other later Pei Jinmu: Sister, you will always stay with me, right? Gu Xiying: You stinky boy, of course I am your only younger brother. Pei Jinmu thought: Brother, hey, who wants to be your brother? Later later Pei Jinmu: Where is my sister going? Do you still want to run away? My sister doesn't even know how scared Xiao Mu is when you leave. Gu Xiying: Pei Jinmu, I am your sister!