| March | |
| 14 | Best album "Clicked Singles Best 13" release （Single Best is chosen from the poll which is held on http://LArc.yahoo.co.jp from January 1st throughout Asia Chakushin Melody service starts on cell phone information service "LE-CIEL NET" |
| 19 | Compact size, low-priced and cover design changed Photo book "LIFE" "LIVE" dual release |
| 28 | "LOVE FLIES" "NEO UNIVERSE" "finale" "STAY AWAY" Video clips of 4 singles video and DVD "CHRONICLE 2" release |
| April | |
| Latter half | Best album "Clicked Singles Best 13" US version release |
| 30 | Official band score "Clicked Singles Best 13" release |
| May | |
| 01 | 16 chord Chkushin Melody service starts for Best album "Clicked Singles Best 13" |
| 12 | yukihiro holds an all-night event "acid android in an alcove" at Shibuya club asia for a special project for Fan Club Newsletter "Tokyo Night Cruishing" limited to LE-CIEL members only |
| 22 | As a promotion for the US version "Clicked Singles Best 13", LArcUSA.com open （Run with the permission of Sony Music Entertainment Japan and Sony Music International in USA） |
| June | |
| 20 | Video and DVD "CLUB CIRCUIT 2000 REALIVE-NO CUT-" release The complete gig at Zepp Osaka: the last day of "CLUB CIRCUIT 2000 REALIVE" (held at 5 venues, 10 performances), which starts from Akasaka BLITZ on October 8th. |
| July | |
| 01 | Spirit dreams inside（Ending theme song for "FINAL FANTASY-SPIRITS WITHIN"） Chakushin Melody Download service starts |
| 04 | Album "REAL" SACD release |
| 27 | "OFFICIAL TRADING CARD PERFECT COLLECTION 2001" release Features exclusive pictures from 1998-2000, from concert scenes to promotion scenes, in and out of Japan |
| August | |
| 29 | Secret gig at the Premier of the movie "FINAL FANTASY"（"Spirit dreams inside" Ending theme song） |
| September | |
| 05 | 21st single "Spirit dreams inside-another dream-" release *Oricon chart first appearance No.1 |
