Beginning the celebration of their 30th anniversary early, Luna Sea held two concerts titled Lunatic X'Mas 2018 -Introduction to the 30th Anniversary- at Saitama Super Arena on December 22 and 23, 2018. The first was subtitled "Image or Real" after their 1992 tour of the same name, while the second was subtitled "Search for My Eden" after their 1993 tour of the same name; each night saw them perform songs they had not played since the original tours. The band's eight major label studio albums from "Image" to "Luv" were released on vinyl record for the first time on May 29, 2019. That same day, a double A-side single titled "Sora no Uta ~Higher and Higher~/Hisōbi", the first and second opening themes of the "" anime, was released. Luna Sea contributed a cover of TM Network's "Beyond the Time ~Moebius no Sora o Koete~" as the third opening theme of the anime. Anniversary concerts were held at the Nippon Budokan on May 31 and June 1, and in Hong Kong on June 7.