Episode 4

Yue Ren (Toranosuke Kobayashi), Angela (GAU), and Kasumi (Aoi Ito) who gathered for the establishment of the Science Department encountered difficulties in making experimental equipment. Fujitake (Masataka Kubota) wanted toA student in his seventies, Nagamine Shozo (Ogata Issei) also joins the science department.Fujitake hoped to borrow the technology of Chang Ling, who once ran a town factory, but Chang Ling refused.

One day, in Kiuchi's (Tetsuji Tanaka) class, Nagamine clashed with Takehito and other young students due to their differences in values.The situation even got to the point where he could not be invited to join the Science Department.