Luv is the ninth studio album by Japanese rock band Luna Sea, released on December 20, 2017.

[1][2] At their May 5, 2017 concert at the Nippon Budokan, Luna Sea announced that a then untitled new album would be released within the year.

[5] The album's eighteen-date The Luv -World Left Behind- tour was set to begin with two concerts on January 27 and 28, 2018 at Mori no Hall 21 in Chiba, but these shows were rescheduled to May 23 and 24 due to Sugizo having the flu.

[8] "Piece of a Broken Heart" and "So Sad" were originally composed by Ryuichi with arrangements by Sugizo.

[9] Ryuichi and Inoran's Tourbillon bandmate Hiroaki Hayama provides piano on "Piece of a Broken Heart" and "The Luv".