1girl, bath_yukata, black_hairband, blanket, blunt_bangs, blush, breasts, cleavage, collarbone, hairband, idolmaster, idolmaster_million_live!, japanese_clothes, kimono, long_hair, looking_at_viewer, lying, medium_breasts, on_bed, on_side, pillow, pov_across_bed, red_eyes, red_hair, solo, straight_hair, tanaka_kotoha, very_long_hair, yoropa, yukata