Rule 34 Dev - 2d_animation 4:3 alvin_and_the_chipmunks alvin_seville animated anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro backsack balls bed bodily_fluids brother brothers butt chipmunk clothed clothing cub cum cum_drip cum_in_mouth cum_inside cum_string cum_trail discarded_clothing dripping duo_focus erection eyewear fellatio frame_by_frame furniture genital_fluids genitals glasses ground_squirrel group long_playtime looking_pleasured lying male male/male male_only male_penetrated male_penetrating male_penetrating_male mammal no_sound odd-the-kodkod on_bed open_mouth oral oral_penetration orgasm partially_clothed penetration penile rodent saliva saliva_string sciurid sex sibling simon_seville sleeping tagme theodore_seville webm yaoi|829602