Can you recommend some books with a lot of novel resources? In these novels, the first type of protagonist needed to be strong, invincible, and have a harem plot; the second type was the otherworld and magic school genre, which also needed a harem plot; the third type was the apocalypse genre, which also needed a harem plot.
First, recommend " A Generation of Pure Otakus in the Three Kingdoms." The main character was a pure otaku who accidentally transmigrated to the Three Kingdoms, but he displayed domineering and invincible strength and traveled all over the world. At the same time, the harem struggle was also a big highlight of the book. The second option was to recommend the [Battle Break: The Strongest Great Teacher System]. Although it wasn't a magic school from another world, this light novel told the story of a master's inheritance, a master's system that nurtured and guided the powerful. At the same time, it also had elements of love in the harem. The third was to recommend the " The Growth of the Apocalyptic Emperor ". This novel was about a modern white-collar worker who transmigrated to the world of the Women's Kingdom and became a three-year-old child with an unknown background. However, she took in a beautiful man and formed a harem. At the same time, the setting of the novel was the end of the world, so it also contained elements of the end of the world.