The world is a desert where trees and flowers are extremely rare.

Zip up and get your robot on! A new type of robot-action series! World-famous handsome mechanical engineer Koshiro Tatara and scary-looking musclehead Kaname, these polar opposite twins both fell in love with the same girl's smile. Since then, they compete daily to see which of them can make her smile more. But one day, tragedy suddenly strikes Koshiro... A new robot battle action manga with a totally unlikely duo from Yusaku Shibata, creator of Yoakemono! (Source: Manga Plus)

Sousuke is the class president, and is a stickler for the rules. Lately, he's had lots of problems. First of all, he's got to deal with his cute, but unruly, childhood friend Miroku. Secondly, they have a new transfer student, Enma, who claims to be from hell. Enma refuses to follow any rules but his own. Lastly, there's the giant, mysterious claw marks that have been appearing all over school buildings. With all this trouble going on, will Sousuke follow the rules or learn that sometimes there are more important things? (By tethysdust, Mangahelpers)

The two boys Gin and Jinrou form a tough team in the mountains. One day, Gin decides that the only way they can move forward is to travel to the capital and join the Shinsengumi. It soon becomes clear, though, that they are not tough enough to handle the kind of people they find in the capital. Some of them, including the current Shinsengumi members, smell like beasts to Jinrou, and they seem to have unusual abilities. After Gin's tragic death, Jinrou is determined to become stronger and join the Shinsengumi in his place! (Source: MangaHelpers)

A Dragon Quest: Dai no Daibouken spin-off focused on the past of Avan.

The two boys Gin and Jinrou form a tough team in the mountains. One day, Gin decides that the only way they can move forward is to travel to the capital and join the Shinsengumi. It soon becomes clear, though, that they are not tough enough to handle the kind of people they find in the capital. Some of them, including the current Shinsengumi members, smell like beasts to Jinrou, and they seem to have unusual abilities. After Gin's tragic death, Jinrou is determined to become stronger and join the Shinsengumi in his place! (Source: MangaHelpers)

Set in the near future, ZIPPO!! is a manga that depicts the activities of police officers with custom machines called ZIPPERs as they handle various incidents around the city.