What are yaoi or gay manga series about?

These stories can also be referred to as boy’s love.

Yaoi, also known as Boys’ Love or BL in Japan, is a genre mostly written by women, for women, that depicts homosexual relationships between men. In the West, the term Shounen-ai categorizes stories that focus on emotional aspects of relationships, while Yaoi categorizes more of the sexual aspects, such as Smut, or explicit content. As Anime-Planet’s audience is mostly based in the West, we use the Western definition for both Yaoi and Shounen-ai. See BL for a list of both titles.