Dom/Sub Universe BL

In the Dom/Sub universe, there is a secondary gender known as Dom/Sub (similar to the ABO universe). At a certain age, every individual's secondary gender is identified as one of three designations: Dom (has an instinct to control), Sub (has an instinct to be controlled), or Switch (possesses both characteristics). This series is an anthology of one-shots taking place within the Dom/Sub universe, each written by a different author.

(Source: MangaDex)