Rule 34 Dev - 2boys abs anal bar_censor bara black_hair blush censored completely_nude erection fukutsuu_mkr gay greyscale happy_sex highres kiryu_kazuma majima_goro male_focus mature_male monochrome multiple_boys navel nipples nude penis ryuu_ga_gotoku_(series) sex short_hair spooning spot_color spread_legs thick_eyebrows toned toned_male yaoi|10788468320