In the future, individual districts have become isolated habitats called "clusters." Equa lives as a student in one such cluster, the university city of Ochanomizu, but she is actually an "extractor" who takes requests from people desperate to flee to other clusters. Shockingly, her latest client is a teacher at her school.
What good friends they are.
 Don't you agree, Ulula?
،يا لعلاقتهنّ الوطيدة
ألا تتّفق يا أولولا؟
Wie gut ihr miteinander klarkommt.
Stimmt’s, Ulula?
Qué bien se llevan, ¿eh, Ulula?
Qué bien se llevan, ¿eh, Ulula?
Elles s’entendent bien,
tu trouves pas ?
La loro amicizia è proprio profonda. 
Non credi, Ulula?
Que boas amigas elas são.
Você não concorda, Ulula?
Хорошие они подружки.
Согласен, Улла?