Rule 34 Dev - 2boys all_fours black_hair blush chain_leash chains chinese_text clothed collar colored_sketch eye_contact from_behind gay gintama gintoki_sakata grey_hair hand_on_another's_head hijikata_toshiro hsixxx implied_sex kimono leash_pull looking_at_another looking_back male male_only off_shoulder sweat yaoi|8297045664