Rule 34 Dev - 1girl akizuki_ritsuko antenna_hair arm_at_side brown_eyes brown_hair collarbone cowboy_shot dekooop female_focus glasses hair_up hand_on_own_face idolmaster idolmaster_(classic) long_sleeves looking_at_viewer midriff navel raglan_sleeves semi-rimless_eyewear solo tongue tongue_out|6002393436