If you're looking for manga similar to Dragon Eye RT, you might like these titles.
Qing Dynasty Era, Shanghai: Korin's official job is as a lady of the night, but is that her only job?
1246, medieval Japan. Kokemaru protects the wandering dancers Mayu and Kyara, despite his missing arm. Dressed as a cat, he spends his days telling lies and absurd stories, hiding his real identity.
July 2005. There is a series of mysterious homicides happening in Tokyo. All the victims are women, and the cause of their death was traumatic shock. Judging from the abnormality of these murders, there are reasons to believe that they have something to do with the occult. In order to make clear the direction they should take, the metropolitan police department decided to carry out their investigation by engaging the help of those influential figures of the occult world. July 21st. The metropolitan police department officially labeled this incident as the No. 568 Specific Crime!
Yashagarasu is a masked crusader whose duty is to hunt down evil souls and send them to Tokoyo, the land of the dead. If spirits filled with strength, anger, sadness, and grudges remain in the material world, they risk transforming into Aradama, evil spirits who bring calamity and misfortune unto the world. Whenever the Yata Mirror rings, informing Nachi Takeru that an Aradama has been born, he transforms from a cheerful young Shinto priest into Yashagarasu, the dark crow who hunts evil!
Reika Ryuzaki, daughter of the late diamond collector Yoshio Ryuzaki, is a jewel specialist who fights with knuckles branded as "Krishna" in cases involving bad guys who rob or misuse jewels for their own gains. She has an advantage in fighting as she can summon spirits from certain jewels to aid Reika in making her a better combatant in the field.
In the same world as Ashiaraiyashiki no Juunintachi, two women move to a large trailer and fight off monsters that appear along their way.
Sumeragi Hotsuma, the blind "Sound Master," can kill Japanese demons with only the "sounds" made by the ring in his hand. His partner is high school student, Hiragi Ranku, adept at the strongest martial art, "Sappo" and blessed with the courage to fight any foe with her bare hands. A surprise, perhaps, that their enemies are "gods." Their battle takes place in Okinawa, a mystical island that protects Japan from evil gods and demons. This is a strange tale, which relates the mysterious history of Okinawa, myths from around the world and other world events with very precise imagery. Here exists a very, very strange world of fiction. The title, Narai Kanai means "Paradise" in the Okinawan dialect. In Okinawa, there is an island where the dead go to find eternal peace. Can Hotsuma and Ranku save Japan and provide these wandering souls with eternal peace?
The world has become a desolate, lawless land where bandits roam free, innocent people suffer, and demons lurk around every corner. Souna Yuuki is traveling with his family when they are attacked by bandits. His entire family is murdered, and he is left with a snake mark on his hand. As he is about to die, a woman comes up to him and gives him an option: continue to live in this harsh environment or die peacefully now. Yuuki chooses life and Garami, the woman, gives him a second chance at life in exchange for his servitude. Garami is a weapons merchant and a gun for hire that travels from town to town for clients. Yuuki sees how brutal and unforgiving this world can truly be.
In a time when gods and humans live and fight together the young boy Tsuchimaru was helpless, a mere child in the face of those mighty struggles... until a mysterious wandering artisan came with a sword they had forged and gifted it to the child, enabling him to take up arms in the titanic conflict!
The year is 1999. It has been ten years since the death of Dio, but his presence sticks with many of his former followers, including Hol Horse, who is a mercenary/freelancer. Operating from Egypt, Hol Horse is asked by an elderly woman to find her lost parrot, which was trained by the previous owner of Pet Shop, and is therefore believed to also have a stand. After teaming up with Boingo, an angsty young man in possession of the prophetic book Thoth, he discovers the location of the parrot; the small Japanese town of Morioh.