Harem genre is one of the most popular genres in modern manga. The genre is mainly characterized by the number of female characters in the story. Every character that joins a harem must be female. They must be all different types of personalities - strong, fragile, shy and outgoing. Genre usually focus on a new male protagonist. He meets many different girls with unique personalities. The protagonist falls in love with them and must choose between them. The genre follows the romantic and sexual exploits of a male protagonist and his female companions. A manga Harem is an older style of manga that falls into this genre. Typically featuring male and female protagonists in love triangles or polygamous relationships.