yakku, shiina mayuri, upa (steins;gate), science adventure, steins;gate, commentary request, 1girl, black bow, black hair, black trim, blue dress, bow, chest bow, closed eyes, collar, collarbone, dress, frilled collar, frills, full body, holding, medium hair, open mouth, pink frills, puffy short sleeves, puffy sleeves, shirt, short hair, short sleeves, signature, simple background, smile, solo, squatting, teeth, tongue, upper teeth only, white background