Below are single albums pertaining to the anime series, Kurogane Communication.
In addition, both songs were re-released in her 2003 complication album, Ho?
[3] Yui Horie humorously mentioned the song, my best friend, in her radio show, Horie Yui no Tenshi no Tamago, about the selection of songs to sing in a karaoke.
It is the final album released under the Pony Canyon label in Yui Horie's name.
The song, Hanagara no One Piece, is included in the separately-released Kurogane Communication original soundtrack.