Rule 34 Dev - 2boys anal anal_penetration anal_sex animated armband arms_behind_back ayasegawa_yumichika bleach collar doggy_style erection flaccid_while_penetrated floppy_cock fucked_from_behind gay head_support hisagi_shuuhei lowres male male_only nude penis penis_size_difference purple_hair sex spiky_hair tentacle tentacle_on_male thrusting_into_ass yanagoya yaoi|614938224