It takes a subject that is normally treated as "awkward" and finds a way to make it both humorous and informative. While not completely comprehensive (you can't use this to replace a Sex Ed class) it does offer a great starting point or spring board for girls to learn more about themselves and feel more comfortable in their own skin. It asks and answers questions and even offers resources for further information on the topics covered.
The art style is nice to look at and avoids over sexualizing any of the characters. It has characters with different body types and different sexual orientations but doesn't make these aspects of them into their whole "personality". Rather, they're just another part of their overall character, which makes them more relatable and "real" feeling.
