The characters don't work well together. Like most heroes and their heroines, Shun and Ruriko fight with each other ALL THE TIME. That gets old after a while. Reiko is my least favorite of the characters, given that she is the type of person I can't stand; a silly, clueless girl who can barely remember her own name, much less form a coherent sentence. About the only thing she has going for her is her ability to play the piano. Megumi is your typical antisocial bookworm, and Fei acts like a child. None of the characters have any chemistry, and that makes it hard to watch them.
The story is an old cliche, and the story writers didn't do much to try and change it. The teenagers are the only ones who can save the world, using their powers. But if you have seen Sailor Moon or Pretear, then these powers are nothing new. Shun's power of wind, Kaoru's super-strength, Ruriko's healing ability, Fei's fire-blowing power--all have been used before.
The aliens look like Men In Black gone bad. They carry suitcases that conceal machine guns, and all of the bad guys look exactly the same. They don't even *look* like aliens, much less attack like aliens. They are always led by a guy in a red suit and a hat--he is the means of destroying the entire set. So you have the Men In Black being led by a Man In Red.
The show had the potential to be a great show, but I feel that too many cliches were used.
