One popular isekai anime story is 'Sword Art Online'. It's about a virtual reality MMORPG where players get trapped in the game world. Another is 'Re:Zero - Starting Life in Another World', which follows Subaru as he is transported to a fantasy world and has the ability to return by death. 'That Time I Got Reincarnated as a Slime' is also well - liked, where a man is reincarnated as a slime in a different world and builds his own kingdom.
One great isekai anime based on a light novel is 'Re:Zero - Starting Life in Another World'. The story follows Subaru Natsuki, who is suddenly transported to a fantasy world. The light novel provides a rich source material, and the anime adaptation does an excellent job of bringing the complex characters and the thrilling plot to life, especially with Subaru's unique ability to return by death.
Some popular ones include 'Sword Art Online'. It's set in a virtual world where the protagonist is trapped, and it has elements of isekai as the virtual world is a different kind of realm. Another is 'Re:Zero − Starting Life in Another World'. The story follows Subaru who is transported to a fantasy world and has to face numerous challenges and deaths, with his unique ability to return by death.
Isekai anime stories often offer a sense of power and growth. The main characters usually start from scratch in the new world and gradually become powerful. For example, in 'That Time I Got Reincarnated as a Slime', the protagonist evolves from a simple slime into a powerful being. Also, the unique settings in isekai anime, like the various magic systems and strange creatures, are very attractive.
I don't know what anime or manga Yang Yan is referring to. If you can provide more background information or context, I will try my best to answer your questions.