another single I have trouble finding <_<

I've also been looking for this single for a long time.



CD (1999/1/21)

ASIN: B000064CCR
JAN： 4988015082487

ディスク：1
1. 瞬(とき)の色をかえて(奥土居美可)
2. You’re the only one(奥土居美可)
3. 瞬(とき)の色をかえて(オフ・ヴォーカル・ヴァージョン)
4. You’re the only one(オフ・ヴォーカル・ヴァージョン)

Please someone??

I found the single on Japanese itunes but unfortunately I can not buy it.
Can anyone help us?
https://itunes.apple.com/jp/album/shunno-sewokaete-huo-mei-zi/id320488068