Quote - The original Aiko was a Vicky 1/2 variant. (V2 is the same mesh as V1, but has tweaked rigging and more morphs) No, I can't say I'm happy about DAZ.

Aiko 1 was a morph of the original Stephanie which in turn was a morph of M1's mesh.  If you purchased Aiko 1, you either had to purchase the full pack which included Stephanie or the upgrade which required prior ownership of Stephanie.  Aiko 1 like Stephanie used M1/2 mapping rather than V1/2.