Masaya Oya (大箭将也), also known as Camellia (かめりあ) or Cametek, is a producer of eclectic electronic music, largely using Vocaloid music back in his starting days.

Born and raised in Japan, most of his works are made of electronical musical elements, he has also used 初音ミク Hatsune Miku for vocals, most notable in “Systematic Love.” His most known electronic kind of song is with Nanahira (Another artist, female), “Can I Friend You On Bassbook ? Lol.”

Additionally, a number of his non-Vocaloid works have appeared in Konami’s series of rhythm games Bemani, and other rhythm games like osu!, Dance Dance Revolution and such. He created an official demo for VY2v3.