Their goal was the domination of the universe by acquiring all the Star Color Princess Pens and capturing Fuwa to remove all light from the universe. Their theme is based on Japanese mythological creatures, the youkai (妖怪 Yōkai?)
After Darknest/Ophiuchus's departure, the Notraiders have returned to the good side and have renewed their former lair into a botanic garden 15 years later.
In episode 11, it was revealed that they all come from the dark and forgotten parts of the universe.
In episode 19, it is revealed that Bakenyan, Aiwarn's butler, turned out to be one of Blue Cat's aliases that she used to gain information on the Notraiders and Aiwarn after the latter accidentally destroyed her home planet Rainbow.
After episode 21, Aiwarn has left the Notraiders after feeling too ashamed to return to headquarters due to being defeated by the team on Planet Rainbow. She then starts to work independently as a villain.
In episode 32, it was also revealed that Darknest recruited Garuouga, Kappard, and Tenjo after Garuouga and Kappard's planets had been destroyed and after Tenjo had left her planet.
In episode 38, it was revealed that Aiwarn joined the Notraiders when she was a lonely and insecure orphan. She also perfected her skills as an inventor as a member of the Notraiders by inventing numerous inventions, notably the Nottorei uniforms.
In episode 49, the Notraiders have turned a new leaf by renovating their former headquarters into a botanic garden.
|Darknest/Ophiuchus Star Princess (Leader)||Uwabami||Episode 11|
|Garuouga (Second in command)||Oni||Episode 4|
|Kappard (Commander)||Kappa||Episode 1|
|Tenjo (Commander)||Karasu-Tengu||Episode 3|
|Aiwarn (Commander; left prior to episode 27)||Hitotsume-kozō||Episode 4|
|Bakenyan (Butler; revealed to be an alias of Yuni in episode 19)||Bakeneko||Episode 4|
|Nottorei (Footsoldiers)||Episode 1|
|Nottoriga (Monsters)||Depends on the object that it is based on.||Episode 6|
Their name is derived from the verb "nottoru", (乗っ取る) which means to "take over".