1girl, arm_up, bare_shoulders, bed_sheet, blonde_hair, blush, breasts, cleavage, collarbone, dress, green_dress, green_eyes, hair_between_eyes, hair_spread_out, long_hair, looking_at_viewer, lying, on_back, signature, small_breasts, smile, solo, hoshii_miki, idolmaster, idolmaster_(classic), idolmaster_million_live!, year_2023, 