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.
I know your type.
But for just one girl—
Ich weiß, worauf du stehst.
Aber nur für irgend so ein Mädchen …
Sé qué chicas te gustan.
Sé qué chicas te gustan.
Je connais ton type de femme.
Mais juste pour une fille…
Conheço o seu tipo.
Mas para apenas uma garota—
Да, твой тип. 
Но лишь из-за какой-то девчонки...