Career
Out of the other members, Tanaka was most often paired up with Yuichi Nakamaru and they even formed a comedy duo "TaNaka". After leaving Johnny & Associates, Tanaka formed a new rock band. History On September 30, 2013 his contract with Johnny & Associates was officially terminated due to several contract violations.
In November of the same year, he formed his own Indie rock band called and is the lead vocalist in the band and they finally released their debut album on November 8 of 2014.
Tanaka can play several instruments, his main instrument is the guitar, he can also play the piano and the shamisen. He wrote most of the rap lyrics for KAT-TUN"s songs and his solos, he went by the pen-name of "JOKER".
Now with, he writes all the band"s songs under his name "KOKI". Tanaka loves to design things and is very artistic, he has a talent for sewing and he designs his own apparels.
Before Tanaka was born, his mother thought he would be a girl, so she thought of the name Maria (Saint).
But he turned out to be a boy instead, so the Kanji letter of his name "聖" was kept, but its pronunciation was changed to “Kōki” (“Kōki” also means “Saint” in Japanese). Furthermore, when he was little his face was so cute and feminine that he was often mistaken for a girl. Tanaka joined Johnny & Associates in 1998, he once stated the reason why he applied was “My mother sent the application form behind my back.
So I went to the audition without knowing anything at all.
Therefore, we went to the audition together. Tanaka graduated from Horikoshi High School, and eventually went to study at Josai International University, but he quit halfway.
He loves animals so much that he originally wanted to become a veterinarian. Concerts This is a list of all the live concerts that Tanaka has performed at and will perform in either solo or with his rock band.
Stage shows.