On March 4, 2017, Sugizo took the stage at Wembley Arena in London with X Japan. On May 24 it was revealed that Sugizo has been experimenting with alternative energy sources to power his guitar system, testing the Toyota Mirai and Honda Clarity fuel cells and the system would be put to live test during Luna Sea's May 29 Budokan show. At the end of 2017, Sugizo released a solo album titled "Oneness M", featuring a different vocalist on each song, including for example Toshi of X Japan and Teru from Glay. He also asked the vocalists to contribute to the lyrics.