Themes associated with yuri originate from Japanese lesbian fiction of the early twentieth century, notably the writings of Nobuko Yoshiya and literature in the Class S genre. Yuri is most commonly associated with anime and manga, though the term has also been used to describe video games, light novels, and literature. While lesbianism is a commonly associated theme, the genre is also inclusive of works depicting emotional and spiritual relationships between women that are not necessarily romantic or sexual in nature. ' lily'), also known by the wasei-eigo construction girls' love ( ガールズラブ, gāruzu rabu), is a genre of Japanese media focusing on intimate relationships between female characters.