2boys, ?, animal_ears, bara, black_hair, blush, cat_boy, cat_ears, dog_boy, dog_ears, light_brown_hair, looking_at_another, male_focus, multicolored_hair, multiple_boys, muscular, muscular_male, pectorals, red_hair, short_hair, sweatdrop, thought_bubble, two-tone_hair, undercut, yaoi