1girl, ahoge, bare_shoulders, black_shirt, blush, book, braid, breasts, brown_eyes, brown_hair, brown_sweater, earrings, flip_(diiolive), from_side, holding, holding_book, idolmaster, idolmaster_shiny_colors, jewelry, kuwayama_chiyuki, large_breasts, long_hair, looking_at_viewer, open_mouth, pink-framed_eyewear, semi-rimless_eyewear, shirt, signature, simple_background, sleeveless, sleeveless_shirt, sleeveless_sweater, smile, solo, sweater, turtleneck, turtleneck_sweater, under-rim_eyewear, upper_body, white_background