2boys, abs, aged_down, ass, bara, black_hair, blonde_hair, boxer_briefs, chinese_text, cropped_legs, fundoshi, japanese_clothes, ken_masters, looking_at_ass, male_focus, male_underwear, multiple_boys, nipples, red_male_underwear, ryu_(street_fighter), short_hair, speech_bubble, stomach, street_fighter, thighs, toned, toned_male, topless_male, underwear, underwear_only, wet, wet_hair, yaoi, yuiofire