Macross Delta is set in the year 2067, eight years after the events of Macross Frontier in a remote part of the Milky Way Galaxy called the Brísingr Globular Cluster, which is plagued by the Var Syndrome, a mysterious phenomenon which turns people berserk without any apparent cause. A team of talented idols, the Walkure, uses the power of their songs to calm down the infected by the Var Syndrome, assisted by the Delta Flight, a team of experienced Valkyrie pilots. At the same time they are facing the interference from the Aerial Knights of the Windermere Kingdom, which found a way to exploit the infection in their favor as part of their plan to resume war against the New United Government for control of the Cluster.

After the end of the Vajra war in 2059 AD , a mysterious "Var Syndrome" suddenly appeared in various parts of the Galaxy, afflicting life forms, even gargantuan Unamushi (Eel bug) native to the planet Pipre. Result of research revealed that people who posses a special singing voice is expected to have the ability to calm the Var. Interplanetary Civilian Military Contractor: Xaos, chose the trio of female idol group "Thrones" - the candidate to start the demonstration test of the power of song: "Project Thrones". Valkyrie unit of the Xaos Pipre branch: "Echo squadron" will escort Thrones, and the novice pilot Kinjou Kaito will be ecstatic when escorting Pirika Polywanov. Kaito, knowing the sorrows and passion behind Pirika's unfriendliness, inspired him to "change" to the man who protects Pirika.

Escaflowne, the God Protector of Fanelia, has been stolen and the country is left in ruins. Desperate to find the key to Escaflowne's seal and recover the legendary guymelef, Van Fanel, Prince of Fanelia is sent to Earth, only to find it in the possession of a high school girl, Hitomi Hoshino. With enemies chasing them at every turn, can the two reclaim what was lost? Named Messiah Knight when serializing in Monthly Asuka Fantasy DX, but renamed to HITOMI when tankoubon were published.

From BangAQUA:

11 years ago, a disaster occurred on Earth. This awakened The Wings of the Fallen Angel Clan, which preys for humans and reduced the population of the world to a mere two billion inhabitants. They’re not hurt by human weaponry. The only things that are able to combat The Wings of the Fallen Angel Clan are the man-shaped soldiers - Aquarion. And now, Kamishiro, a young man with mysterious "Elemental Powers" stood up to oppose The Wings of the Fallen Angel Clan. Do lives of billions of people on Earth rest in the hands of one person?

From MangaHelpers:
The weapons of the future, Metal Vessels, are being developed by different companies. One company, Sigma, has created a vessel that is controlled by two people-- a telepath and an anti-telepath. These two people are the teenage girl telepath, Yuiri, and her friend Io, an anti-telepath. They use their vessel mostly in demonstrations, such as competitive exhibitions with rival company Ciel's newest model.
While these vessels may seem to be the way of the future, the technology can also be very dangerous. A serial murderer is on the loose, who chooses targets through a website, and the police are beginning to suspect that the killer is actually using a Metal Vessel.

In the near future on the starship Galaxy, Sheryl Nome lived with her parents Abel and Sally. The government tracked her parents down who were rebelling against mandatory human enhancing implants and Sheryl was the only one who got away alive. Barely surviving on her own on the streets, Grace O’Connor, a manager at a talent agency brings her in to make her a star. Several years later Sheryl is enrolled into the Erato Music School where she meets Amagi Lilies, a brilliant singer and they become friends. However, tragedy strikes and Lilies dies trying to save Sheryl. To make sure her parent’s sacrifice was not in vain and to keep her promise with Lilies, Sheryl enters into the entertainment world to become the greatest singer in the universe.

12.000 years after the events of Sousei no Aquarion, mankind is threatened by a new enemy from other dimension labeled "Abductors", who just like the Shadow Angels, invade the human cities to kidnap its inhabitants. To defend humanity from this invasion, the Neo-DEAVA organization establish two teams, one composed of only males and other of only females, each one piloting their own giant machines called "Aquaria". To protect his new friend Mikono, teenager Amata Sora decided to use the powers he has kept secret his entire life and by combining Vectors with male and female pilots into one single robot, the legendary giant Aquarion is reborn once more.