Rule 34 Dev - anthro athletic athletic_anthro athletic_male athletic_wear barefoot book bottomwear brown_body brown_fur clothed clothing duo exercise feet fluffy fluffy_tail fur hands_behind_head larger_male leggings legwear lying male male/male multicolored_body multicolored_clothing multicolored_fur muscular muscular_anthro muscular_male on_back reading reading_book shirt short_tail shorts simple_background size_difference slim slim_anthro slim_male smaller_male smile sweatband tail tank_top teeth topwear two_tone_body two_tone_fur white_body white_fur workout yellow_body yellow_fur doritohead kaine_lewis wally_pembroke canid canine canis corgidor domestic_dog german_shepherd herding_dog mammal mixed_breed pastoral_dog 2022 2d_animation animated hi_res loop short_playtime|22234681210