"Demon Slayer: Kimetsu no Yaiba" is a manga by Koyoharu Gotouge, whose volumes 1 to 23 have sold over 150 million copies in total. The vinyl version will be released on July 10th as a limited edition by Sony Music Labels/BEAT SEEKER MUSIC, including the new songs "Mugen" and "Tokoshie", a collaboration between MY FIRST STORY and HYDE, which will be the theme songs for the TV anime "Demon Slayer: Kimetsu no Yaiba - Pillar Training Arc" based on the novel. The anime "Demon Slayer: Kimetsu no Yaiba" is a story that begins with a boy, Tanjiro Kamado, whose family was killed by demons, joining the Demon Slayer Corps to turn his sister Nezuko (the correct spelling of "ne" is "ne + 爾"), who has become a demon, back into a human. The songs "Mugen" and "Eternity - Tokoshie", written as the theme songs for the "TV Anime "Demon Slayer: Kimetsu no Yaiba" Pillar Training Arc", are the dream collaboration between MY FIRST STORY, a lone rock band that continues to evolve in 2024, and HYDE, the vocalist and solo artist of L'Arc-en-Ciel/VAMPS/THE LAST ROCKSTARS. The latest songs from "Demon Slayer: Kimetsu no Yaiba", "Mugen" and "Eternity - Tokoshie", are a must-listen as they open up a new era and world through the dream collaboration between MY FIRST STORY and HYDE.