
AVCA-22094
Avex
Release Date: 29 September 2004
03. Makenai (負けない)
Lyrics: Kimoto Keiko Composition/Arrangement: Makino Nobuhiro

AVCA-22582
Avex
Release Date: 22 February 2006
01. Smile Means Love
Lyrics: Fujibayashi Seiko Composition: UZA Arrangement: Sudo You & Sasaki Akira

AVCA-22582
Avex
Release Date: 23 March 2006
18. Angel Addict (Erika ver.) (Angel addict (エリカ ver.)
Lyrics: Fujibayashi Seiko Composition: Tanimoto Shin Arrangement: Sasaki Akira

with Hirano Aya & Goto Yuko
LACM-4261
Lantis
Release Date: 10 May 2006
01. Hare Hare Yukai (ハレ晴レユカイ)
Lyrics: Hata Aki Composition: Tashiro Tomokazu Arrangement: Ando Takahiro
02. Welcome UNKNOWN (うぇるかむUNKNOWN)
Lyrics: Hata Aki Composition: Suzuki Morihiro Arrangement: Kondo Akio
03. Hare Hare Yukai (off vocal)
04. Welcome UNKNOWN (off vocal)
Chart History:
1st week debut: No.5 - 34,881 copies sold
Total weeks on chart: 92
Total units sold: 125,349 copies

LACM-4270
Lantis
Release Date: 5 July 2006
01. Yuki, Muon, Madobe nite. (雪、無音、窓辺にて。)
Lyrics: Hata Aki Composition: Tashiro Tomokazu Arrangement: Agematsu Noriyasu
02. SELECT?
Lyrics: Hata Aki Composition: Shirataki Jun Arrangement: Hoshino Junichi & myu
03. Yuki, Muon, Madobe nite. (off vocal)
04. SELECT? (off vocal)
Chart History:
1st week debut: No.13 – 19,799 copies sold
Total weeks on chart: 17
Total units sold: 40,344 copies

with Nogawa Sakura, Nakahara Mai, Momoi Halko, Goto Yuko & Sakai Kanako
AVCA-26011
Avex
Release Date: 1 November 2006
02. LoveLoveLove no Sei na no yo! (LoveLoveLoveのせいなのよ!)
Lyrics: Hata Aki Composition/Arrangement: Morifuji Shoji

LACM-4316
Lantis
Release Date: 22 November 2006
01. Saikyo Pare Parade (最強パレパレード)
Lyrics: Hata Aki Composition: Tashiro Tomokazu Arrangement: Ando Takahiro
02. Unmeiteki Jiken no Koufuku (運命的事件の幸福)
Lyrics: Hata Aki Composition: Tamura Shinji Arrangement: Kondo Akio
03. Saikyo Pare Parade (off vocal)
04. Unmeiteki Jiken no Koufuku (off vocal)
Chart History:
1st week debut: No.13 – 13,042 copies sold
Total weeks on chart: 10
Total units sold: 28,177 copies

AVCA-26016
Avex
Release Date: 6 December 2006
01. Candy (bitter & sweet)
Lyrics: CAO Composition/Arrangement: Takumaru
02. LoveLoveLove na Sei na no yo! Hina solo version (LoveLoveLoveのせいなのよ!比奈ソロバージョン)
Lyrics: Hata Aki Composition/Arrangement: Morifuji Shoji
03. Candy (bitter & sweet) [karaoke]
04. Lovely Message

KICM-3148
King Records
Release Date: 21 March 2007
02. Sakura Mau Kono Yakusoku no Chi (桜舞うこの約束の地)
Lyrics: Kingetsu Ryunosuke Composition/Arrangement: Yokoyama Masaru

LHCA-5066
Mellow Head
Release Date : 21 March 2007
03. Watashi ni Dekiru Koto... (私にできること・・・)
Spoken track
04. Only Lonely Rain
Lyrics: Hata Aki Composition: Hibino Genki & Tsuruta Yuki Arrangement: Tsuruta Yuki
03. Tomo ni, Ayumitai (ともに、歩みたい)
Spoken track with Takagaki Ayahi
04. Yami no Kagi Hikari no Tobira (闇の鍵 光の扉)
Lyrics, Composition & Arrangement: Tachibana Takaha