Rule 34 Dev - 2boys anus balls bowser bowser_jr. face facesitting foreskin furry furry_only glans green_shell incest junior koopa long_foreskin male male_only mario_(series) multiple_boys narse nintendo no_humans partially_retracted_foreskin penis shell sitting spiky_shell uncircumcised uncut unretracted_foreskin yaoi|1170613520