| Yukisan (有機酸, styled as uki3), also known as ewe, is a singer-songwriter and VOCALOID producer.
His works, bearing somewhat stoic elements yet combined with the unique view of the world and quality sound creation, are highly appreciated by listeners.
Hatsune Miku is primary utilized in his works, though on several occasions, he has also used flower. Instances of his most notable songs include quiet room, krank, and lili.. Apart from composing songs, he is also known for making self-covers; some of which have exceeded the VOCALOID versions.
On November 2018, he announced the change of his name to "Yoh Kamiyama" (神山羊) as an artist, whereas his alias as a VOCALOID producer will be kept as Yukisan.