This is a set of custom 3D head models. I drew using (4) on the right and (5) on the left. I don't think (3) is much different from (4), but I'll leave it just in case. 
カスタムした３D頭部モデルのセットです。右側が④、左側が⑤を使用して描きました。③は④と大きく差はないと思いますが念のため置いておきます。
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