If you're looking for manga similar to Gantz/Exa (Light Novel), you might like these titles.
5 years have passed, and not only has the land of Edo changed into an apocalyptic wasteland, but Kagura has changed into a beautiful woman with no Chinese speech pattern, Shinpachi has turned into a cool samurai who is not a tsukkomi anymore, and the Gintoki of this time has gone missing, though he is assumed to be dead. Gintoki is determined to find out the truth of the deadly sickness that is ravaging Edo, and also to understand the feelings of Kagura and Shinpachi, who have been trying to deal with their leader's disappearance.
Naruto the orphan has always wanted a family, while recently Sakura has wished her overbearing parents would give her some space. So when the villainous Madara sneaks into the village and banishes them to a parallel world, the pair sees their desires come true in a way they never thought possible! In this alternate Konoha, Shino hates bugs, Hinata is an aggressive hot-head, and Sasuke is a laid-back playboy - not to mention Naruto and Sakura's lives are switched! His parents are suddenly alive and well, and she's the orphan turned village hero. After a short time, Sakura sees the folly of her ways and is ready to try to find a way to return; but now that Naruto has everything he's ever wanted, he'll have to decide if perception really can trump reality.