1girl :o bare_shoulders blue_shirt blush brown_hair brown_skirt collarbone finger_to_mouth highres hori_yuko idolmaster idolmaster_cinderella_girls looking_at_viewer off-shoulder_shirt off_shoulder ponytail red_eyes shirt simple_background skirt solo striped striped_shirt tsuchi_(sh_spica1) vertical-striped_shirt vertical_stripes white_background