My Elder Sister Is Sensible, but My Elder Brother Loves Me the Most, Because I Am Superficial and Domineering.

Gu Jiaxin transformed into the ex-girlfriend who was superficial and hindered the male protagonist's progress. Facing the "sensible, motivated, soul mate" heroine who is about to appear, Gu Jiaxin decided to take the path of Green Tea, leaving Green Tea with nowhere to go. The heroine advises the hero: "Senior, you should focus on your studies and don't be distracted by love." Gu Jiaxin burst into tears: "Sister is right, it's all my fault. I shouldn't have wanted to see you or bring you food. I'll leave now and won't disturb my brother's experiments..." After saying that, he turned around and ran away. He even fell down on purpose and scraped his knee. The male protagonist was so distressed that he pushed the female protagonist away and picked up Gu Jiaxin: "Why should studies be the most important thing? What kind of man is he if he can't even take care of his girlfriend?" He turned to the heroine and said coldly: "Also, I don't like others teaching me how to do things. Please stay away from us." Gu Jiaxin lay in the male protagonist's arms and stuck out her tongue at the female protagonist: Men are really more into this than cold soul mates! It's just... As he continued to act, why did the male protagonist look at her more and more strangely, as if he wanted to eat her up and wipe her clean?