
If you're looking for manga similar to Planet: Valkyrie, you might like these titles.
complex of the renegade Kyron-5 in search of precious element Texmexium. Death befalls each one until only the mechanic Brooklyn is left. He meets a stranded Texas Air Ranger and two children living in the rubble. They must destroy Kyron-5 in order to escape and to save humanity from its wrath. Brooklyn discovers a GUNHED (Gun UNit Heavy Elimination Device) combat robot and restores it. Meanwhile, Babe has been transformed into a bio-droid and is seeking out Sergeant Nim and the Texmexium she stole. In order to save her and destroy Kyron-5, Brooklyn must overcome his fear of cockpits and pilot the GUNHED all the way to the top of the tower. On the way, he faces the combined defenses of the complex.
Pandora's Box to control disaster and hope ... those who can handle this are only two boys and Pinkeye, a boy aiming for world conquest and a dangerous serial killer. Is it saving or destruction that they bring to mankind?
It´s the beginning of 1998. A young genius in electronic engineering, Tatsumi Daiba, has far exceeded the performance standards in the modern science with the creation of the SPARC. With SPARC´s excellent analytical ability, having built a network expanding over the whole world and having the capability to move its mechanical arms at free will, Tatsumi´s judgement over the evil in the city streets commences.
Iori Shijima, an ordinary high school student blessed with a good, common life. He has a cute childhood friend, lots of friends he can rely on, and a nice and beautiful mother. Additionally, his grades are good and he has a solid future plan. However, one day "transcendent beings" called ĀTRAIL appear on Earth, and Iori's everyday live crumbles as he learns about the secrets of another world and the meaning to his own existence.
Tezuka himself is a main character in this one, about a manga-ka who finds himself in a science fiction story about robots and transforming creatures.