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, exhausted, facial hair, fingernails, grey eyes, hand in pocket, holding, holding phone, lab coat, lapels, leather belt, long sleeves, male focus, messy hair, narrowed eyes, notched lapels, object in pocket, open mouth, pants, pen in pocket, phone, pocket, ringed eyes, serious, shirt, shirt partially tucked in, solo, sprite, stray hair, stubble, sweatdrop, t-shirt, talking on phone, teeth, tongue, upper teeth only, v-shaped eyebrows, white coat, white shirt