huke, okabe rintarou, science adventure, steins;gate, steins;gate: linear bounded phenogram, game cg, highres, non-web source, official art, 1boy, adam's apple, beard stubble, belt, black belt, black hair, breast pocket, brown pants, coat, collarbone, determined, exhausted, facial hair, grey eyes, lab coat, lapels, leather belt, long sleeves, looking at viewer, male focus, messy hair, notched lapels, object in pocket, open mouth, pants, pen in pocket, pocket, ringed eyes, shirt, shirt partially tucked in, solo, sprite, stubble, sweatdrop, t-shirt, teeth, tongue, upper teeth only, white coat, white shirt