I always thought Luka's was pink too...
Anyway, I think for Vocaloids, it is important to have the nail color. It is a signature part of the design(unless you are doing a song where there is no nail polish on the fingers). I agree with Kokoro that it wouldn't be much of a hassle to buy cheap drugstore nailpolish(I would say go for the sinful colors brand).
Natsume(Tokyo Ravens)|Wukong Gudako(Fate/Grand Order)|Ibaraki(Fate/Grand Order)|Ruler Martha(Fate/Grand Order)|Player Character(Pokemon Sun/Moon)
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Originally Posted by .PapercutSenvy.
...You are now dubbed the Persona ninja.