Sorayama’s subjects reflect a softness or flexibility in their impenetrable skin, atypical to the hard metal qualities of robotics. His obsession with the female form is not to be taken purely as eroticzation. Rather, Sorayama’s women are an idealization of a future where women are free from patriarchy and celebrated as deities or goddesses.

「空山基創作的人物有著無法穿透的肌膚，但是肌膚中卻透出一股柔軟或柔韌的特質，與機械人冷硬的金屬質感截然不同。他對女性體態的迷戀絕非完全因色慾使然，反而展示出女性不受父權壓迫、得到女神般對待的理想未來。」