1girl, a certain high school uniform, blonde hair, breasts, eggmayo100, holding, holding microphone, karaoke, large breasts, long hair, loose socks, microphone, miniskirt, open mouth, pleated skirt, school uniform, serafuku, shokuhou misaki, simple background, sketch, skirt, socks, solo, sparkling eyes, symbol-shaped pupils, toaru kagaku no railgun, toaru majutsu no index, yellow eyes