One day before Nobuyuki and Rea's wedding, the women-only "Masaki Ladies' Assembly" gets together.
With her wedding to Nobuyuki, Rea will finally be able to become an official member.

Right after swearing her oath to the assembly, Rea's immediately asked about how her relationship with Nobuyuki began.
Meanwhile in space, left behind by everyone, Airi worked all night to finish her work and tries to get to earth,
but the transportation gate doesn't work and only spits out a recorded message from Washu.
Instead of big sister, 
she ought to have said auntie.
"بدلاً من أخت كبرى، كان عليها القول "عمّة
Außerdem wäre „Tante“ treffender
als „Schwester“ gewesen.
Debería llamarse "señora",
no "señorita".
Debería llamarse "señora",
no "señorita".
C’était plus une grand-mère
qu’une grande sœur !
Invece di sorellona, avrebbe dovuto dire zia.
Ao invés de irmã mais velha,
devia ter se chamado de tia.
Должна была называть себя
не сестрой, а тётей.