Galilei Donna is an original anime being produced by A-1 Pictures (Sword Art Online, Ano Hi Mita Hana no Namae o Boku-tachi wa Mada Shiranai) and directed by Umetsu Yasuomi (Mezzo, Robot Carnival) with the characters designed by Adachi Shingo (Sword Art Online, WORKING!!).
The story follows the life of Hazuki, Kazuki, and Hozuki Ferrari, three descendants of the Italian astronomer, Galileo Galilei. For some reason, they are being chased by a mysterious organization, who put out an international arrest warrant for them. Now the three sisters have to put aside their differences and join forces to fight back against the organization and learn the truth about "Galilei Donna."
Visit the official site to view more details about the characters.
Check out the PVs above. If the videos were eaten, try this search query on YouTube.