Japanese publishers label each series by the audience it was written for. It is not a genre, and it is the fastest way to tell why two action series feel nothing alike.
Aimed at teenage boys. Action, rivalry and long-running adventure.
Aimed at adult men. Darker themes, slower burns, heavier subject matter.
Aimed at teenage girls. Romance, relationships and character interiority.
Aimed at adult women. Realistic romance and adult working life.