Not only can "girls" become magical girls! A 21-year-old girl(!?) fights for the earth in this super extreme story of monstrous violation! In which only teenagers chosen by fairies can become magical girls, an exception, an irregular magical girl is given birth! Under her fluttering skirt and pink-colored aura is a too glamorous body! She tries hard to act the typical magical girl suited to what people want a magical to be, but she cannot mask her seductiveness! Intruders from an alternate world, victims and even she herself feel a "gap" between her usual self and her magical girl self! Importantly, however, the gap is the very source of her magic! Let's escape from a course of harsh orgasmic violations by the power of "Gap Magic"!