2018
| March 14 | 「15th L'Anniversary Live」&「 20th L'Anniversary LIVE」 released on iTunes live video. |
| March 28 | LIVE Album『25th L'Anniversary LIVE』released on music service platforms. |
| March 28 | The first LIVE Album『25th L’Anniversary LIVE』released. |
| May 29-June 4 | Exhibition of display panels for commemorating the release of LIVE Blu-ray / DVD "25th L'Anniversary LIVE" was held. 【Exhibition Participants Stores】SHIBUYA TSUTAYA / TOWER RECORDS Shibuya shop / TOWER RECORDS Umeda NU Chayamachi shop |
| May 30 | Blu-ray / DVD「25th L'Anniversary LIVE」was released. |
| August 7 | 『LIVE 2018 L'ArChristmas』was confirmed. |
| December 12-17 | 『L'ArChristmas Park』opened! "L'ArChristmas Park" was held as a Pop-up event on the outdoor stage at Yoyogi Park Events Square in Shibuya (Tokyo) in which purchase of official merchandise and L'ArChristmas Park Limited items, as well as pick up of merchandise ordered in advance were available. People can also enjoy L'ArCafe in which the menus was produced by members respectively. |
| December 19, 20 | 『LIVE 2018 L'ArChristmas』 It has been 1 year and 8 months since their last Tokyo Dome Live. As the first Christmas live of L'Arc-en-Ciel, also the 15th, 16th LIVE at Tokyo Dome, this time the lives attracted 110,000 people in total to attend in two days. The 2-Day LIVE was live broadcast in movie theaters in Japan. And Live Viewing has been held in Hong Kong, Taiwan and Korea as well for the LIVE on 20 (THU). |
| December 22 | TV O.A TBS "COUNT DOWN TV" |
| December 24 | TV O.A TBS "CDTV Special! Christmas Music Festival 2018" |