Episode 12 recap: Lin Mengchen rescued Ye Xiaosheng who was on a mission.

After school, Lin Mengchen was disappointed to find that Ye Xiaosheng hadn't come to pick her up. At that moment, Qi Zeyu arrived on his bicycle with pastries to pick up Lin Mengchen. Ye Xiaosheng also arrived at the same time and became anxious when he saw Qi Zeyu trying to take her away. He approached and held onto Lin Mengchen, wanting to take her to eat yellow croaker. However, Lin Mengchen was angry with his ambiguous attitude towards Guyu, so she deliberately wanted to eat Western food. She was about to go with Qi Zeyu when Ye Xiaosheng naturally wouldn't allow it. The two of them each held one of Lin Mengchen's arms and pulled her.

Suddenly, Lin Mengchen felt something was wrong and suspected that she had eaten sesame and had an allergic reaction. Ye Xiaosheng became anxious and Qi Zeyu realized that he had unintentionally caused trouble. They quickly took Lin Mengchen back to the clinic. Qi Zeyu wanted to administer medicine to Lin Mengchen, but Ye Xiaosheng, who was fiercely protective of his sister, immediately drove him out of the room and did it himself. He finally breathed a sigh of relief when he saw Lin Mengchen wake up.

Ye Xiaosheng went on a mission, but as soon as he killed someone, he was targeted by someone else. The opponent used a sneaky tactic and threw powder in his face, then took advantage of his blurred vision to mercilessly beat him. Lin Mengchen transformed into Guyu and arrived just in time to rescue Ye Xiaosheng. In her heart, she complained that this time Ye Xiaosheng and Guyu had saved each other, and she didn't need to intervene. When they returned to the Blood Sacrifice Hall, the hall master punished Lin Mengchen for violating the hall rules and sent her into the dense forest to break the formation. Coincidentally, a thunderstorm struck, terrifying Lin Mengchen. Ye Xiaosheng, knowing that she was most afraid of thunderstorms, arrived in time and wiped away the tear mole at the corner of her eye, confirming that she was indeed his sister, Lin Mengchen. He hugged her and took her home.