huke, akiha rumiho, science adventure, steins;gate, game cg, highres, official art, 1girl, animal ear hairband, animal ears, breasts, casual, cat ears, cleavage, collar, collarbone, dress, drill hair, fake animal ears, frilled collar, frilled dress, frills, hairband, long hair, looking at viewer, own hands clasped, own hands together, pink eyes, pink hair, ringed eyes, smile, solo, sprite, square pupils, transparent background, tsurime, twin drills, twintails, yellow dress