Kei doesn’t have to think twice: he will help Olson, even if it means fighting against the Emaan. However, the two friends come to blows once Olson reveals his motivations.
Don't tell me you don't remember.
Tina was her mother.
Nun tu mal nicht so.
Tina war ihre Mutter.
No te hagas el loco.
No te hagas el loco.
Me dis pas que t’as oublié.
C’est le sosie de Tina.
Não me diga que você não se lembra.
A Tina era a mãe dela.
Только не говори, что не помнишь. 
Её мать — Тина.