1girl, ahoge, arm_under_breasts, b1ack_illust, bare_shoulders, blonde_hair, blush, breast_hold, breasts, cleavage, collarbone, green_eyes, hair_between_eyes, hoshii_miki, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, large_breasts, long_hair, looking_at_viewer, lying, messy_hair, nightgown, on_bed, on_stomach, one_eye_closed, solo, strap_slip, upper_body, waking_up