For me, 'That Time I Got Reincarnated as a Slime' stands out. The world-building and plot development are really engaging. Also, the characters have a lot of depth.
Isekai manhwa refers to Korean comics where characters find themselves in otherworldly or parallel dimensions. It's a popular genre that offers exciting and imaginative storylines. Sometimes the characters gain special powers or have to overcome various challenges in these strange new worlds.
No, they're not the same. Manga comes from Japan and has its own unique style and storytelling techniques. Manhwa is from Korea and has distinct characteristics too.
Well, it's a bit hard to pinpoint exactly which was the very first one. But some early examples could include 'El-Hazard: The Magnificent World', which had elements of the isekai genre.
Solo Leveling is definitely a manhwa. Manhwa have their own style and fan base. Solo Leveling stands out among them with its fantasy elements and exciting adventures that have attracted readers worldwide.