Rule 34 Dev - 2boys age_difference anal anal_sex blush cum cum_inside dialogue duwidun elf elf_ears elf_male gay kraft_(sousou_no_frieren) legs_up male male_only mature_male muscular muscular_male open_mouth penetration pleasure_face precum sousou_no_frieren stark_(sousou_no_frieren) x-ray yaoi|10892707200