After you get that morph pack (and I agree on getting the combined, plus m3 is free just like v3, so it's a good idea to get them both along with aiko3 who is also free), I suggest getting Rayne next, as it takes the morph pack and 'super sizes' it out so you can do all kinds of figures using that one model.

Rayne product page
Rayne head morphs

From there everything is optional. The morph pack and Rayne pack are options, but they are the kind of options that make the figure so much more usable that you really should put them at the top of your wishlist.

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