Rule 34 Dev - 1girls armpits arms_behind_head artist_request blush breasts brown_eyes brown_hair hagiwara_yukiho highres idolmaster looking_at_viewer medium_breasts naughty_face pose sakatashikibu seductive seductive_look seductive_smile sexy_armpits shirt short_hair sleeveless sleeveless_shirt smile sweat tagme|5667331352