| January | |
| 13 | 25th single "Killing Me" release *Oricon chart first appearance No.1 (Ending theme song for TV Asahi Network "Matthew's Best Hit TV") |
| April | |
| 06 | 26th single "New World" release *Oricon chart first appearance No.1 (Image song for Nihon TV Network baseball broadcasting "THE LIVE 2005") |
| May | |
| 18 | 27th single "jojoushi" release *Oricon chart first appearance No.1 (Ending theme song for Nihon TV Network "Super TV Joho Saizensen") |
| June | |
| 01 | LIVE DVD "SMILE TOUR 2004～zenkokuhen" release |
| 22 | 10th album "AWAKE" release *Oricon chart first appearance No.1 ("LOST HEAVEN" in album "AWAKE" is O.A. as ending theme for the movie "Hagane no Renkinjutsushi - Shanbara wo iku mono") |
| July | |
| 20 | 28th single "Link" release *Oricon chart first appearance No.2 (Opening theme song for the movie "Hagane no Renkinjutsushi - Shanbara wo iku mono") |
| 28 | The eve of AWAKE TOUR 2005 "Konya kiseki ga okiru!?"(LIQUIDROOM Ebisu) |
| 30 | Appear "MBS ANIME FES.'05"-Osakajo Experiment Manatsu no Yo no Yume"(Osakajo Nishinomaru Teien) |
| August | |
| 06 | "AWAKE TOUR 2005" starts from Nagoya Rainbow Hall |
| 07 | Nagoya Rainbow Hall |
| 09 | Nagoya Rainbow Hall |
| 17 | Osakajo Hall |
| 18 | Osakajo Hall |
| 20 | Osakajo Hall |
| 21 | Osakajo Hall |
| 27 | Kokuritsu Yoyogi Kyogijo Daiichi Taiikukan |
| 28 | Kokuritsu Yoyogi Kyogijo Daiichi Taiikukan |
| 30 | Kokuritsu Yoyogi Kyogijo Daiichi Taiikukan |
| 31 | Kokuritsu Yoyogi Kyogijo Daiichi Taiikukan (3 venues, 11 performances / 132,000 people) |
| September | "twinkle, twinkle" Commecial song for Nepia in China |
| 03 | Tour "ASIALIVE 2005" starts from Olympic Park-Taiso Kyogijo in Korea |
| 04 | TFM live recording / SUNDAY SPECIAL JAL Dream Tour Project PRESENTS "L'Arc～en～Ciel ASIALIVE 2005"(Palace Hotel in Korea) |
| 10 | Shanghai Obutai in China |
| 11 | TFM live recording / SUNDAY SPECIAL JAL Dream Tour Project PRESENTS "L'Arc～en～Ciel ASIALIVE 2005"(Shanghai ARK) |
| 20 | Official book "WORDS" on sale (from Kadokawa Shoten) Album "AWAKE" release in USA |
| 24 | Tokyo Dome |
| 25 | Tokyo Dome (10,000 people in Korea and Shanghai each / 92,000 people in Tokyo) |
| November | |
| 30 | Live document photographs "ASIALIVE 2005" on sale (from PIA) |
| December | |
| 14 | LIVE DVD "AWAKE TOUR 2005" release |
| 25 | Appear "DANGER IV" (Nippon Budokan) |
