A Cold Professor? No, It's Obviously the Fiery Overlord Flower

Add a bookshelf and get rich [Single female protagonist + sister-brother love + straight-ball milk dog tea and teasing + cold and cool sister contrasting cuteness + sweetness and no cruelty] Lin Mo had been Qi Xiaohe's dog licker for three years, but he still couldn't warm her heart. Three years ago, Lin Mo slipped and fell into the water. When he opened his eyes, he saw Qi Xiaohe kneeling next to him, soaked all over. At that moment, he vowed to protect this girl for the rest of his life. But for three years, he had no dignity and respect, and allowed her to become more and more wanton. Lin Mo was tired and decided not to pursue her, but accidentally got entangled with another woman. My sister called me: "Brother, stop being someone else's slut. Our family has plenty of money, and we can't find any kind of woman." Dad called: "You brat, if you continue to chase that girl, you are not my father! No, I am not your son!" Grandpa called: "Grandson, stop it. You've ruined yourself. Who will inherit such a big property like ours!" My mother called: "Take the exam in Qingbei! I will introduce my best friend to you! She is a professor in Qingbei!" As a result, Lin Mo worked hard and got admitted. But why does that cold professor that everyone calls him look more and more familiar to him...