Aristera

Aristera (アリステラ) was a country in the Neighborhood. About 5 years before the start of the series, it was destroyed. It had a Mother Trigger which was transferred to Earth.

Royal Family

 * Ruka Shinoda (princess)
 * Yōtarō Rindō (prince)

Civilian Population

 * As only a limited number of people can be transported to another country, it can be assumed that the majority have died.

Trivia

 * Aristera (αριστερά) is the Greek word for "left". Along with Meson and Dexia, it makes a left-middle-right triplet.