Kinya has worked with popular producer and performer Daisuke Asakura (member of popular 'gay themed' band AXS), for his work in the Gravitation anime soundtrack, as well as in his solo career as a member of the production group, MAD SOLDIERS, along with Kenichi Ito. Asakura and Ito wrote and produced many songs for Kinya and many other known acts in the Japanese music industry, as well as being part of their own band in the late 90's, called ICEMAN.
On October 21, 1999, Kotani released his first album Mad Soldier's Laboratory with his former group Mad Soldiers.
Other albums released:
2nd History P-20 (June 7, 2000)
3rd WHAT? xxPHYSICALxx (July 4, 2001)
4th Mikazuki (August 30, 2006)
On January 6, 2000, Kotani released his very first solo single entitled Kounetsu blood.
Other singles released:
2nd Jounetsu Ballad (May 3, 2000)
3rd Sweet Sweet Samba (July 19, 2000)
4th Easy Action (December 6, 2000)
5th No! Virtual (February 28, 2001)
6th Love Stuff (May 23, 2001)
7th Blaze ( June 22, 2005)
8th aerial (August 17, 2005)
9th It's (May 24, 2006)
The mistake of Kotani not having a music career outside of the works he has done for the anime, Gravitation, is a reoccurring misconception among American fans.
Although Kotani was part of the band MAD SOLDIERS, he was not a primary member. The original members of MAD SOLDIERS consisted of Daisuke Asakura and Kenichi Ito.
Kotani often donates his blood for others in need.
Kotani has performed songs on the anime, Tsubasa Chronicle, in which there was also a soundtrack released on July 6, 2005.
Although Kotani left MAD SOLDIERS to work on his solo career, the band still plays music for his songs and have performed at his concerts.
Between the years of 2001 through 2005, Kotani had completely vanished from the music scenes. Rumor has it that he was working on his acting career.
Kotani played Nagase Kenji in the Japanese-Drama, Love Stuff. This series premiered on April 15, 2001 and lasted until June 24, 2001.
With the release of Kotani's single BLAZE in 2005, this single, along with the others that followed it, took on a completely new style of music.
Kotani has released over 4 albums, 1 mini-album, 9 singles and 6 other participating works.
Italian food is a favorite of Kotani's; he especially loves different kinds of pasta.
Kotani stands in at 169 cm (5 feet, 6½ inches) tall, weighs approximately 53 kg (117 pounds) and had blood type B.
Some of Kotani's hobbies include cooking, playing games, and spending time outdoors.
Kotani is repeatedly mistaken as the seiyuu of the main character, Shuichi Shindou, in the anime Gravitation. He does not do the speaking voice, but however only does Shindou's vocal voice.
Kotani is perhaps most known for his music in the anime Gravitation. He performs all of the songs for the band in the anime.
Kotani was previously involved in a band called MAD SOLDIERS. Soon after the release of their mini-album, Kotani released his solo singles.
Kinya: I am my favorite musician.