Asuka or Rei?

both

But if you were Shinji and were doing threesome with Reisuka, you'd still have do decide which one you'd rather cum inside. The decision has to be made. There's no escape.

Which is the best fuck?

Rei is best girl, asukafags are masochists

For the millionth time, Misato.

Were it that I knew for certain.

Asuka

But user, wouldn't it be easier to cum multiple times?

Mogurei.

The one with an actual personality