sigma (kyokugen dasshutsu), kyokugen dasshutsu, kyokugen dasshutsu adv: zennin shibou desu, highres, non-web source, spoilers, 1boy, adjusting eyewear, aged up, blurry, cable, closed mouth, cup, dim lighting, forgetmenautical, glint, gloves, goggles, goggles on head, grey gloves, grey hair, grey jacket, holding, indoors, jacket, long sleeves, male focus, medium hair, mug, old, old man, open clothes, open jacket, robot, shirt, single mechanical eye, welding, welding goggles, welding torch, white shirt