yup

"0721, you're up next." A lady with long black hair said in a dull voice. A few guards escorted an elf-like young girl. The young girl struggled fiercely and tried to get free but the guards had no trouble bringing her into the room with the white door.

This is the Ekurana Operation. A civilization called Ekuranans are capturing different types of beings from different planets and using them to take over different galaxies. These teens are forced to join the war of the universe...