When Subaru ran across a group of her classmates, she had no idea that they were in fact magical girls, and that she would be recruited to become their newest member. For Aoi and the rest of the gang are on an important mission: they must collect special fragments that can be used to power a spaceship and send an alien friend home. But the girls aren't the only ones after these items...

Source: Anime-Planet

Note: Wish Upon the Pleiades, also known under the Japanese title Houkago no Pleiades (放課後のプレアデス, Houkago no Pleiades, lit. "After School Pleiades"), is an original net animation series developed jointly by Gainax and Japanese automaker Subaru. The series was released on YouTube in four parts on February 1, 2011 with the English-subtitled version appearing six days later.

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Other: Gekijouban Houkago no Pleiades
Other: Houkago no Pleiades (2015)