Dova-Syndrome is well-known for their free music for YouTube. But they also produce and sell unique Japanese vocal samples available as Kontakt or Wav.

JP Traditional Call ANEGO
A collection of female voice samples for Japanese-style YOSAKOI music production
Price: 2,000 Japanese YEN (taxes not included)
More Info

JP Animesong Call
A collection of female voice samples for anime and idol song production
Price: 2,000 Japanese YEN (taxes not included)
More Info

JP Traditional Call
A collection of male voice samples for Japanese-style YOSAKOI music production
Price: 2,000 Japanese YEN (taxes not included)
More Info

JP Idol Call
Male voice sampling collection for idol song production
Price: 2,000 Japanese YEN (taxes not included)
More Info

JP Rock Shout
A collection of voice samples for rock music production
Price: 2,000 Japanese YEN (taxes not included)
More Info