| January | |
| 10 | Century Hall, Nagoya |
| 11 | Hiroshima Kosei Nenkin Kaikan, Hiroshima |
| 13 | Fukuoka Shimin Kaikan, Fukuoka |
| 22 | Niigata Kenmin Kaikan, Niigata |
| 24 | Hokkaido Kosei Nenkin Kaikan, Hokkaido |
| 26 | Sun Plaza Hall, Sendai |
| 29 | Nippon Budokan, Tokyo |
| February | To write new original songs, goes into term to reenergize |
| April | sakura leaves the band |
| March | Goes to London to reenergize |
| June | Starts pre-production and recording for new track |
| August | Shoots Space Shower46 "Groove Ariline" for 08.31-9.13 on-air episodes Leaves for London to shoot their video clip for single "niji" |
| October | Starts recording for 5th album and single |
| 17 | Back in action again with the release of 7th single "niji c/w THE GHOST IN MY ROOM" *Oricon chart first appearance No.3 （Fully back in action again. Announces the concert on December 23 at Tokyo Dome, as the same timing as release of the single） （Theme song for Fuji TV Network movie"Rurouni Kenshin |
| December | |
| 23 | First performance at Tokyo Dome "L'Arc～en～Ciel 1997 REINCARNATION" （56,000 seats SOLD OUT in 4 minutes!! Shortest record for a performance in Tokyo Dome） |
