Tsurumaki Maki is the second Voiceroid+ to be released and also the first female voice for the software. She was released on November 12th, 2010. The official name of the product is Tamiyasu Tomoe (民安ともえ) which is the voice provider's name. Tamiyasu Tomoe is a popular voice actress working mainly in adult-oriented games. Maki is the name of the mascot character illustrated in the boxart.
From Voiceroid Wikia