2boys, abs, afterglow, bara, bare_tree, beard, biceps, completely_nude, cross_scar, cup, dragon_boy, facial_hair, fang, feet_out_of_frame, forest, from_side, furry, furry_male, furry_with_non-furry, grey_scales, hand_on_another's_crotch, holding, holding_cup, interspecies, kimidori_(dera_kimidori), large_hands, large_pectorals, male_focus, mature_male, mug, multiple_boys, muscular, muscular_male, nature, nipples, nude, original, pectorals, scar, scar_on_chest, short_hair, size_difference, smile, stomach, sweat, too_many_scars, tree, tusks, yaoi