K, F and J are women, and Z is a robot built by a doctor. The story is written in character names, and the titles are written in English letters. There are twelve people in total, Z is called Z, and his code name is also Z.
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Jiang Xun (A), Shen Qian (B), Cui Jin (C), Duan Qing (D), Xia Jun (E), An Qi (F), Lin Jin (G), Shi Qing (H), Xiangcheng (I), Qiu Wan (J), Yue Yue (K), Z (Z). (All the above are 19 years old. Except Z)
Ji Yan (Y)
Pu Jiang (Ph. D.), Shuncheng (Ph. D. Assistant). (23 For the former and 20 for the latter)
Intention:.