K

 is a South Korean singer based in Japan. He made his debut in South Korea in April 2004, and in fall of the same year he went to Japan to make his Japanese market debut. He quickly became successful in Japan and moved his base of activities there.

He completed his two years of mandatory South Korean military service in 2011 and 2012.

On August 24, 2014, he married variety talent Sekine Mari. This makes his father-in-law comedian Sekine Tsutomu.

Their first child, a girl, was born on November 15, 2015. Their second child, also a girl, was born in October 2019.

Albums

 * [2006.01.18] Beyond the Sea
 * [2006.12.13] Music in My Life
 * [2009.03.18] Traveling Song
 * [2014.06.04] On My Journey
 * [2015.08.05] Ear Food
 * [2018.01.24] Storyteller
 * [2019.10.30] Curiosity

Best Albums

 * [2010.12.01] K-BEST

Cover Albums

 * [2007.03.21] The TIMELESS Collection VOL.1

Mini Albums

 * [2009.12.02] Merry Christmas
 * [2013.05.29] 641

Singles

 * [2005.03.02] over...
 * [2005.05.11] Dakishimetai (抱きしめたい)
 * [2005.07.27] Girlfriend
 * [2005.11.23] Only Human
 * [2006.04.19] The Day
 * [2006.08.23] Brand New Map
 * [2006.11.01] First Christmas (ファースト・クリスマス)
 * [2007.08.29] Birth of Treasure
 * [2007.10.03] Kono Uta wo........♪ (この歌を・・・・・・・・♪)
 * [2008.06.25] play and pray
 * [2008.11.05] 525600min. ~seasons of love~
 * [2010.06.16] Aitai Kara (会いたいから)
 * [2010.10.27] dear...
 * [2013.02.04] Christmas Time Again
 * [2015.07.01] Years
 * [2016.03.09] Ano Kumo no Mukougawa (あの雲の向こう側)
 * [2017.02.22] Shine (シャイン)
 * [2017.06.14] Kiridansu no Uta (桐箪笥のうた)

Digital Singles

 * [2014.10.01] Brand New Day
 * [2015.12.16] Ano Kumo no Mukougawa (あの雲の向こう側)
 * [2017.11.29] Yubiwa Monogatari (指輪物語)
 * [2019.09.26] Hikaru Sora Aoku (movie ver.) (光るソラ蒼く（movie ver.）)
 * [2020.04.02] Curious (Kan Sano Remix)
 * [2020.07.22] Satisfaction
 * [2020.08.26] Slow dance
 * [2020.09.23] Truman Show
 * [2021.05.26] Day 'N' Night feat.MADz's
 * [2021.11.17] Touchdown feat. VILLSHANA
 * [2021.12.15] winter light feat. sloppy dim