At the whistle, the headquarters of Unit 731 gathered on the square, and the staff officer announced an emergency retreat for all. Before leaving, all secrets and traces of Unit 731 must be destroyed. In the laboratory, Ito was infected by cutting his hand while destroying the bacterial hotbed. Akiyama helped him to board the only escape train like the others, which was running
At the whistle, the headquarters of Unit 731 gathered on the square, and the staff officer announced an emergency retreat for all. Before leaving, all secrets and traces of Unit 731 must be destroyed. In the laboratory, Ito was infected by cutting his hand while destroying the bacterial hotbed. Akiyama helped him to board the only escape train like the others, which was running