Career
His images often include elements with a luminous quality. Some of his favorite subjects are astronomy and visions of utopian worlds. His most famous works focus on three main topics: Celestial Exploring, Galactic Railroad and Starry Tales.
Kagaya really likes the night sky with stars and he often uses the blue color in his work.
Kagaya is more famous in North America than Japan, mainly because he has an occidental style. He only uses occidental women (who can speak only a little Japanese) as his models because they are taller than average Japanese women.
Kagaya released a Digital Video Disc on February 23, 2007, called Fantasy Railroad in the Stars (銀河鉄道の夜), with Kenji Miyazawa. The story is narrated by voice actress Kuwashima Houko.
In 2008, he did an exhibition in South of Korea.