Yagami Kazuki

 (八上和希) is a member of OverTone.

Albums

 * OverTunes
 * Ai and Yu
 * LIVE to JOURNEY
 * OverTone

Mini Albums

 * Mini Overtone
 * Prologue
 * POP APP

Singles

 * Bokura no Machi
 * I&YOU
 * Yume ga Furu Yoru ni

Digital Singles

 * Boku ni Dekiru Koto
 * 2㎡ no Sekai
 * M7
 * Zero
 * Monster
 * Heikousen Romance
 * Akai Sen
 * Rongai
 * Back Number