Rule 34 Dev - a_k_g_e_0325 armpit_peek blush bouncing_breasts breasts collarbone eyebrows_visible_through_hair female greyscale highres implied_sex large_breasts looking_at_viewer lying monochrome on_back open_mouth saliva senki_zesshou_symphogear solo sweat sweatdrop teeth upper_body upper_teeth yukine_chris|5034847992