If you're looking for manga similar to Koutetsu Kishi Chevalion, you might like these titles.
In a world where Gods reincarnate themselves into the bodies of humans, Athena is the Guardian of Earth. Together with her 88 Saints, she must protect the Earth against other gods whose sole purpose is to take over her position and extend their realm; it has been so for thousands of years. In this age, Athena, along with her Bronze Saints Seiya, Shiryu, Ikki, Hyoga and Shun, will have to counter the evil plans of a traitor amongst her midst who rejects her identity and nominates himself as the sole lord of Athena’s Saints. Being the only ones behind the true Athena, Seiya and the others will have to battle their way through countless Saints to unmask this impostor.
Superpowers are now common among the world's population. The manifestation of powers is known as Girls' Witch Syndrome, and the origin of the sudden large scale bestowal of extraordinary abilities to children is an entity named the Mother Witch. Ayumu Takenami carries the title of Brave Star as the top ranking CARD member. CARD is an organisation formed from the children and girls that have superpowers. After he dispatches armed kidnappers with his bare fists somewhere in the Middle East, Ayumu drops everything to go see his crush in Japan. Yuki Saimiya is an average 17 year-old high school girl with insignificant powers but wishes she could be more like the rumoured Brave Star.
The city of freedom, Neo York, is targeted by villains day and night, but it's also home to the strongest hero, Golden Man!!! But one night, during a rescue operation at a fire at an abandoned factory, Golden Man suddenly disappears. Left in his place, a single amnesiac young man with the Golden Man suit in his hands… Who on Earth is he?
The hero is a 14 (or so) year-old girl with super strength, who has been enlisted by the police force to entertain the populace while they wreak havoc fighting the "Demon Seed" crime organization.
After Japanese-American FBI agent Taki Kazuya and Kamen Rider 1 defeat a bat monster, they decide to contact the former riders including Stronger to investigate the appearance of monsters attacking them and civilians. Their investigation reveals the coming of an alien empire out to destroy the Earth, finishing the work that Shocker and other terrorist organizations have failed due to their defeat at the Rider's hands.
The Weapon Of Raid Machines (WORMS), which once devastated the Earth, have been sighted once again, and three young girls are chosen to save the Earth from destruction. Aboard the secret vessel number 113, the Koryu, Sonic Diver Unit team members Eika, Otoha, and Karen help protect Earth against the Worm threat with their flying exoskeletons.
In the present, Japan is under assault by murderous creatures known as Aragami whose origin and purpose remain unknown. The fate of Japan and the world itself lies with one young woman named Momiji who bears the burden of the Kushinada -- the one who must be sacrificed to silence the Aragami forever. With the help of Mamoru Kusanagi (a human and Aragami hybrid), and an agency filled with firepower-toting bodyguards, Momiji must use her Aragami-sensing powers to help save mankind; but will she ultimately have to lose her own life to save the lives of so many others?