One common theme is competition. In these novels, characters often compete in various systems, like in a game or in a new world with its own rules. Another theme is power - up. Characters usually start from a low level and gradually gain more power and abilities. For example, in 'Sword Art Online', Kirito starts as a normal player and becomes one of the most powerful in the game world.
Typically, a major league system novel often features a lot of competition. Characters are constantly vying for positions and trying to outperform others within the framework of the major league system.
One popular 'Major League System' light novel is 'Sword Art Online'. It features a virtual reality gaming world where players are trapped and must fight their way through various levels. Another could be 'Log Horizon', which also delves into the concept of being in a game - like world with its own rules and systems. There's also 'Overlord', where a powerful character rules over a world within a game.
One of the well - known major league system novels is 'The Legend of the Baseball System'. It offers an interesting take on how the system affects a player's journey in the major leagues. Another could be 'Major League Ascension System' which delves into the challenges and opportunities presented by such a system.