Kuaishou's fake brother

As a college student who hasn't graduated yet, Su Xia wakes up to find that she has an older brother and has become someone else's fake younger brother.And he himself brought a system called the younger brother's development code, and since then he has embarked on the road of attacking his elder brother. 1.结局1对12.主受＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊我们曾经都有一个弟弟，然而我们却忘记了那个弟弟。Content label: System fast travel┃ Search keywords: Protagonist: Su Xia┃ Supporting role: etc.