Rule 34 Dev - 10s 2018 2boys age_difference anal anal_sex beard black_hair blush blush_lines bulge chest_hair chubby erect_penis erection gay glasses hairy_arms hairy_legs japanese_text male male_only muscular muscular_male nipples peeing peeing_during_sex sand simple_background speech_bubble speedo speedo_down sweat sweatdrop swimwear taku_hiraku tan tanline tears text translation_request urine white_background yaoi younger_penetrating_older|10860563728