Rule 34 Dev - 2boys arm_grab black_hair blush clenched_teeth closed_eyes gay gintama gintoki_sakata head_back hijikata_toshiro japanese_text kimono licking looking_pleasured male male_only navel_fetish navel_licking on_back on_bed open_clothes open_kimono sleeves_rolled_up speech_bubble twitching white_hair yaoi yunfa|7843610984