Rule 34 Dev - 1girl biting blue_eyes blush border brown_hair close-up commentary fingernails hair_behind_ear hairband hand_on_own_face heart heart-shaped_pupils idolmaster idolmaster_cinderella_girls looking_at_viewer nail_biting nail_polish pink_nails portrait red_hairband sakuma_mayu solo sukegawa_hirohiko sweat symbol-shaped_pupils|9795340503