Secret live is held.

First live is held.

Live is held. The single "~Kataomoihen~ (~片思い編~)" is freely distributed.

Live is held. The single "~Shitsurenhen~ (~失恋編~)" is freely distributed.

Live, "PS COMPANY PRESENTS Chichuu Roukaku Sono 39 (PS COMPANY PRESENTS地中楼閣-チチュウロウカク-その39)", is held. The music releases of the summer, as well as a oneman live at Meguro (目黒) ROCKMAYKAN (鹿鳴館), is announced.

Live, "Chichuu Roukaku (地中楼閣)", is held.

Oneman live, "Seishun LOVE ATTACK No.1!! (青春ラヴアタックNo.1!!)", is held. The single "Seishun LOVE LETTER (青春LOVE LETTER)" is sold in advance.

Tour, "Tsutaetai Koto ga Arunda! TOUR☆ ~Seishun LOVE STORY wa Totsuzen ni~ (伝えたいことがあるんだ!ツアー☆~青春ラブストーリーは突然に~)", begins.

Tour, "Tsutaetai Koto ga Arunda! TOUR☆ ~Seishun LOVE STORY wa Totsuzen ni~ (伝えたいことがあるんだ!ツアー☆~青春ラブストーリーは突然に~)", ends with the oneman live "~SEXY de HENNESSY Nonde MERCI♪ Mo 1tsu CHELSEA★~ (~セクシーにヘネシー飲んでメルシー♪も1つチェルシー★~)". A video is freely distributed.

Live sponsored by home chic, "Birth", is held. The members participate as session musicians.

Live, sponsored by HenzeL and Delta Ark, "HenzeL & Delta Ark Goudou Shusai HALLOWEEN Matsuri (HenzeL&Delta Ark合同主催ハロウィン祭)", is held.

Live, sponsored by HenzeL and Delta Ark, "HenzeL & Delta Ark Goudou Shusai HALLOWEEN Matsuri (HenzeL&Delta Ark合同主催ハロウィン祭)", is held.

Live, "hevn 2nenme Totsunyuu! ≪Toumeihan TOUR≫ ~Tokyohen~ (hevn 2年目突入!≪東名阪TOUR≫~東京編~)", is held.

Live, "hevn 2nenme Totsunyuu! ≪Toumeihan TOUR≫ ~Nagoyahen~ (hevn 2年目突入!≪東名阪TOUR≫~名古屋編~)", is held.

Live, "hevn 2nenme Totsunyuu! ≪Toumeihan TOUR≫ ~Osakahen~ (hevn 2年目突入!≪東名阪TOUR≫~大阪編~)", is held.

Oneman live, "1shuunen Kinen Muryougohoushi ONEMAN (1周年記念無料ご奉仕ワンマン)", is held. The single "Kusuriyubi (くすりゆび)" is distributed.

Oneman live, "1shuunen Kinen Muryougohoushi ONEMAN☆★ 「Choppiri Hayai♪ SANTAsan kara no Okurimono♪♪」 (1周年記念無料ご奉仕ワンマン☆★「ちょっぴり早い♪サンタさんからの贈り物♪♪」)", is held. The single "Kusuriyubi (くすりゆび)" is distributed.

Live is held. The tape "Hatsukoi Carnival (初恋Carnival)" is distributed.

Threeman live, featuring KALIMERO (カリメロ) and ZERO→ONE, is held.

Live sponsored by BIG STONE, is held.

Tour, "Decadence 2004~SPLEEN&IDEAL~", begins.

Tour, "Decadence 2004~SPLEEN&IDEAL~", begins.

Live, "Narciss Presents", is held.

Live, "Shikkoku no SYMPHONY in Saitama Kaikan (漆黒のシンフォニーin埼玉会館)", is held.

Live, sponsored by ayabie (彩冷える-ayabie-) and ALICE NINE. (アリス九號.), is held.

Live sponsored by ArucarD, is held.

Event live, "hezn Soukan 2shuunen Kinen EVENT (hevn創刊2周年記念イベント)", is held.

Twoman live, featuring JOKER, is held.

Event live sponsored by HenzeL, "~Nee♪ DARLING♪♪ Kocchi Muite!!~ (~ねぇ♪ダーリン♪♪こっち向いて!!~)", is held.

Event live, "12012 CD Happyou Kinen Shusai EVENT 「the guilty of sixdays」 (12012 CD発売記念主催EVENT「the guilty of sixdays」)", is held.

Live sponsored by Ruvie, "Arakawa (荒川)", is held.

Live, "FUJIPRO SUMMIT! Vol.1 (フジプロサミット!Vol.1)", is held.

Coupling tour, "HenzeL & girugamesh COUPLING TOUR 【ZERU ga MEssu wa。】, begins.

Twoman live is held. Coupling tour, "HenzeL & girugamesh COUPLING TOUR 【ZERU ga MEssu wa。】, ends.

Tour, "stylish wave CIRCUIT '05 Haru no Arashi (stylish wave CIRCUIT '05 春の嵐)", begins.

Tour, "stylish wave CIRCUIT '05 Haru no Arashi (stylish wave CIRCUIT '05 春の嵐)", ends.

Live, sponsored by Clavier, is held.

Live, sponsored by ∀NTI FEMINISM (アンチフェミニズム), is held.

Live, "stylish wave'05 Shibuya no Tairan (stylish wave'05 渋谷の大乱)", is held.

Threeman live featuring Soroban (そろばん) and Ruvie, is held.

Summer short tour, "MinaSAMAA ni Kansha PARADE (みなサマーに感謝パレード)", begins.

Summer short tour, "MinaSAMAA ni Kansha PARADE (みなサマーに感謝パレード)", ends.

Free oneman, "THE[2ND]CUTiE PARADE", is held. The CD "Hinomaru Ren'aikyoku (日の丸恋愛曲)" is distributed.

Session live is held.

Tour, "SWEET GENTLE TOUR「the CHOCOLATE DAY」", begins.

Tour, "SWEET GENTLE TOUR「the CHOCOLATE DAY」", ends. Last live is held. The video "LOVE & PEACE" is distributed.