Core of the Promethium-Radium Crystal.

Summary

In Shen Ling Hao's dream, a warrior-like figure calls his name, leading him to recall a childhood adventure at the zoo with his friend Lei Yu Xuan. They recklessly approached animal enclosures, resulting in Shen being bitten by a wolf and Lei by a lion, causing their parents to forbid them from seeing each other. Years later, at school, an autumn outing is announced, sparking excitement among classmates. Shen Ling Hao feels insignificant but eventually joins a group with Ze Wan Xi and Zhao Ke Xin. On the outing day, they enjoy the journey and learn about local history, while Shen discovers a map belonging to two strangers, which he plans to return later.

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