1. This Is The One, simple and enjoyable, perfect album length (I usually get bored in the middle when listening to her previous album), every single track really make a good composition as an album.
2. ULTRA BLUE, this is her most artistic album, no doubt. She proved to the world that she's a musician with this album. But this album doesn't as enjoyable as her latest one.
3. Exodus. Very original and experimental. A creative side of her is in this album.
4. DEEP RIVER. Lyrically brilliant. Musically very good, but tracks like SAKURA Drops and traveling is too long and filled with adlibbings on a repeated line.
5. Distance. Her most professionally produced album. She had a lot of people behind her, so she can focused in songwriting, composing, and ofcourse singing. Sunglasses and Kotoba ni Naranai Kimochi is amazing.
6. HEART STATION. HEART STATION got the point of ULTRA BLUE and DEEP RIVER. The tracklist is very good. But it's very moody. You (or at least, I) will need the right mood to listen. For example, I prefer to skip Flavor Of Life when I was happy.
7. First Love. Ummm.. I don't really listen to this album
8. Precious. I don't even heard anything from this album yet =_="