Core of the Promethium-Radium Crystal.

Summary

Time flies as Ling Hao and Yu Xuan prepare for their departure, planning to say goodbye to friends Wan Xi and Ke Xin. They discuss a sports meet happening soon, where Li Yu He joins them, but tensions arise with classmates He Ding Zhe and Zhong Chen Ran, who resent Li Yu He for associating with Ling Hao and Yu Xuan. The class head encourages Li Yu He to participate, igniting mixed feelings among peers. A confrontation occurs between Li Yu He and He Ding Zhe, revealing past grievances. Despite the conflict, Ling Hao and Yu Xuan support Li Yu He, emphasizing teamwork and determination to succeed in the upcoming events.

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