The languages that An currently supports is Japanese, supported with hiragana aliases.
Download:
Japanese voicebanks:
Nguyen Bao An_CVVC
阮 和宝 -Coral-
【UTAU RELEASE】 恋愛裁判 Love Trial 【Nguyen Bao An CVVC】
【UTAU RELEASE】テレキャスタービーボーイ Telecaster B-Boy【阮 和宝 -Coral-】