1girl, bare_shoulders, blunt_bangs, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, hairband, holding, holding_microphone, idolmaster, idolmaster_million_live!, large_breasts, lips, long_hair, long_sleeves, looking_at_viewer, microphone, narumi_nanami, open_mouth, smile, solo, tanaka_kotoha