Because he could see that Lin Yifan cared deeply for his sister and didn't want Lin Yifei to suffer even the slightest grievance. With his current strength, he simply couldn't ensure that Lin Yifei would have no worries for her future, so he chose to give up.
On the other side, after finishing their conversation, Lin Yifan took his sister and left. Before leaving, he turned around, threatening and warning Lu Zixuan, "Remember, don't harass her again until you are capable of protecting my sister, understand?"
"Understood!" Lu Zixuan responded.
Actually, even without Lin Yifan's words, he knew what to do; because he also didn't want Lin Yifei to suffer any grievances.
"Brother! It's not Lu classmate's fault. I wanted to go out for a walk, and then he accompanied me," Lin Yifei defended Lu Zixuan.
In fact, she hoped her brother wouldn't blame Lu Zixuan, who was innocent; it was just that Tian Wenna wouldn't leave Lu Zixuan alone.
