Only I know the plot of the anime.

In a world where humans fight against mutated creatures, Su Jin finds himself in a sudden transmigration. To his surprise, he discovers that in this world, people can become Gaia after university, allowing them to travel to various anime worlds to carry out missions. Here, he meets a young warrior named Warrior Captain, the strongest warrior in the kingdom and a seemingly unbeatable force. With his exceptional abilities, Warrior Captain effortlessly crushes any opponent, leaving those around him in awe. As Su Jin navigates this new world, he also encounters a magicians' guild in the Clock Tower, where he meets individuals with charming personalities and a deep connection to humanity. Meanwhile, in the world of ninja, Su Jin discovers that the protagonist of Konoha Village is Rock Lee, a misfit who overcomes his own limitations and becomes incredibly powerful when drunk, utilizing his hidden Drunken Fist technique to take down his foes.