Core of the Promethium-Radium Crystal.

Summary

In a quiet farewell at the campus gate, Ling Hao, Lei Yu Xuan, and Li Yu He are approached by concerned friends Ze Wan Xi, Zhao Ke Xin, and Ruo Xi, who express their worries before the group departs. Meanwhile, He Ding Zhe and others secretly follow them, hoping to uncover their destination. The group boards a bus to the Waste Treasure Research Institute, where they meet Chu Hao, who emphasizes the importance of saying goodbyes. As they prepare for their journey, He Ding Zhe and his friends sneak into a van, while Pierre and Ha Zhe finalize spaceship preparations, reflecting on their past and the future.

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