Steven Universe

Synopsis
The premise of this series focuses on a boy named Steven Universe, which is half human half magical, and is part of a group of "magic warriors" defenders of the universe known as the Crystal gems, which are responsible for protecting the humanity of magical beings and also of evil.

In the course of the series, the protagonist who is half gem (his mother, Rose, was part of the original team of Crystal Gems), must learn to become a magical warrior, to use his powers, and help the Gems in their missions to save humanity.

Steven Universe follows a linear plot unlike other cartoons, in the episodes of later seasons, more characters are integrated into the plot, and more key details are discovered, as well as secrets about Crystal Gems.

Featured relative giantess: Fusions
As an introduction, the "crystal gems" are extraterrestrial creatures of feminine appearance with superpowers, of which, the creator, Rebecca Sugar affirms that they have no gender, the 3 main characters of the series (Pearl, Amethyst and Garnet) are part of This rare specimen of creatures, it should be noted that each gem has a precious stone in her body.

Since gems do not have a definitive shape (because they can take any shape, and the true form they represent is the "precious stone" they carry), each gem has the ability to personalize her physical forms, generally the gems adopt feminine physical forms, there they are treated as "she" each one.

Now, gems can merge, resulting in a more powerful and larger "entity" in several cases, among these mergers, there are giantesses, which will be mentioned below:

Trivia

 * Some mergers with giant gems are partly based on mythology, for example, Sugilite, keeps resemblance to the Hindu goddess Kali, which has 4 arms and has a destructive attitude.
 * The protagonist of the series, Steven Universe, is possibly a macrophile, he has shown a certain fascination for giant women, and even came to sing a song about the subject in the episode "Giant Woman".

Source

 * [//steven-universe.wikia.com/wiki/Fusion_Gems http://steven-universe.wikia.com/wiki/Fusion_Gems]