Rule 34 Dev - aged_up alternate_version_available bbw black_shorts blonde_hair blue_eyes butt christmas christmas_outfit fat_ass from_behind gyaru hotpants huge_butt k-on! keigi_(artist) long_fingernails plump santa_costume santa_hat shorts sweat thick_butt thick_eyebrows thick_thighs tsumugi_kotobuki_(k-on!) variant_set|13364389632