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)

Trivia

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