Rule 34 Dev - 1990s_(style) 1girl animated animated_gif asuka_(viper) blouse breasts game_cg grabbing_another's_breast groping katsura_ken'ichirou long_hair lying navel nipples on_back open_clothes open_shirt orange_hair red_hair retro_artstyle shirt solo_focus viper_(series) viper_ctr|3073255263