A harem includes three or more characters who potentially show romantic interest in a male protagonist. The sex, gender, or orientation of the harem members is irrelevant as long as they exclusively, or at least primarily, are vying for the affections of the same individual - who may or may not reciprocate towards one, several, or none of these romantic rivals.
These anime feature young, generally school-aged girls as defenders of love, life, and justice. They typically stumble upon the source of a magical power, or are granted one by allies that are aware of evil forces on the rise. Often by using a special item or with the help of a magical familiar, these characters are able to transform into an alter-ego ready to cause mischief or fight their foes.
These anime delve into the world of competitive Sports, ranging from team-based to individual participants. From Baseball or Basketball, to track and field or combat-based sports, these works focus on the athletes and those around them who show their support.