Exchange Variation

==Background==
"Exchange Variation" is Yairi's major debut album. It consists of 15 tracks featuring the vocals of IA, GUMI and Hatsune Miku. Track 13 is a cover by niki and cillia which features MEIKO.
The website can be viewed here.
==Track listing==
==External links==
===Official===
===Unofficial===
Category:Albums
Category:Albums featuring GUMI
Category:Albums featuring Hatsune Miku
Category:Albums featuring IA
Category:Albums featuring MEIKO
Category:Japanese albums