fukuda tomonori, nagafukada mitsuhiko, robotics;notes, science adventure, absurdres, game cg, highres, non-web source, official art, 1boy, arm hair, black hair, character name, facial hair, flippers, full body, jacket, leg hair, long hair, looking at viewer, male focus, open clothes, pants, shirt, short hair, simple background, smile, solo, stubble, toenails, toes, track jacket, very short hair, whistle, whistle around neck, white shirt