Rule 34 Dev - age_difference animal_genitalia art_dump bakugou_katsuki bara belly_bulge bite_mark biting cum_in_ass cum_inside cumshot furry gay hound_dog_(my_hero_academia) katsuki_bakugou knot knotting male male_only monochrome my_hero_academia naughty_face pecs petplay ryo_inui servojob size_difference teacher_and_student yaoi zoophilia|3663025856