If you're looking for manga similar to Macross Frontier Deculture Edition, you might like these titles.
Attacked by a hostile enemy planet, Rie lost her home and her dearest friend, Road. Seeking refuge on a curious blue planet, Rie will rise again...as an alien idol on Earth!
Repeated transferring, the disappearance of her mother, the death of her father… Isora, who is alone at both home and school, is met with an extraterrestrial encounter. She meets a space creature named Egonomimi, and it fills her with heart…I can't go back to normal anymore―
Kei was known as a cry-baby when he was a kid, but luckily he had his best friend, Honoka, who would magic away his sadness using an hour-glass. Now that he is no longer a child, Kei and Honoka’s relationship is being tested as they grow apart. Then one day, the world as we know it is changed by a UFO that visits earth, calling for volunteers to join them. With the world in an uproar, what will happen to Kei and Honoka’s relationship?
Marko is a young Russian university student who is looking forward to finishing school so he can spend more time with his fiancée. However, those plans go out the window when he’s abducted by aliens! These extraterrestrials have a mission for Marko, one that will take ten years. All Marko can do is make the most of it and get to know the strange creatures who are now his co-workers in this offbeat tale of a life far from Earth.
10 years ago, a mushroom-shaped alien spaceship landed on Earth, but the media began to lose interest in it as time went on and nothing exciting happened. Now, a change is coming. Tetsu is a student at the nearby high school, where he is one of the members of a science club that is in danger of being abolished. The club president, who he likes, is an active girl named Aoi. When an alien creature appears at their school, she convinces the club to sneak in after hours to have a peek at it. After she has a particularly close encounter with the alien, she begins to suffer from fever, memory loss, and the growth of an alien tail. An infectious disease agency comes to take her into custody, and it looks like hers is not the only case.
Follows Piano, an idol singer who is also a lover of science. While she is a member of a popular idol group, she also collects various machines and electrical knick knacks from Akihabara to conduct experiments in her parents' garage. She struggles to climb the world of entertainment, while also trying to achieve her dream of going to space.