"AFK" doesn't make much sense, but it is entertaining nonetheless, elevated by the characters' arcs and relationships, which give the show its heart.
The story is simple as follows: real people wake up in an online game, their minds in the bodies of their characters. We don't get much in way of explanation, characters' motives, world building or anything. Basically we are thrown with the characters into the world, and the first episodes suffer a little bit from this, because the viewer won't really understand much of what is going on (not that much is going on, but it makes no sense whatsoever).
Funnily enough, with the episodes going by, even if the story is flimsy as they come (non-existent), we get to know the characters and enjoy their company. And that is what makes "AFK" worth checking: the characters. The acting won't get them any awards soon, but the actors embody their roles in an engaging and caring manner.
That helps overcome all the shortcomings: plot, direction, action moments that barely cut the mustard... Put in some nice homages to role-playing games (NPC, the music that comes out of nowhere when you enter a tavern...) and you have a really fun show.
