Uh, oh! Guys? Guess who’s birthday it is.
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I’ll give you hints.

1) She was initially released on 8/31/2007.
2) She has greenish-blue hair.
3) She is the most popular/overrated ‘VOCALOID’.
4) She performed the “Ievan Polkka” song in 2011!
5) She puts her hair up in pigtails and has long hair.
6) She wears a gray sleeveless shirt with a greenish-blue tie and a black mini-skirt with thigh-high boots.
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No more hints! That’s all I’m giving you.