As x-posted here, Besides the aforementioned opening theme, HYDE×MY FIRST STORY are also performing the new ending theme song “Eikyū -Tokoshie-” (Eternity -Eternity-) 『永久 -トコシエ-』 , which premiered in the second episode of the Demon Slayer: Hashira Training Arc anime on Sunday.
Yuki Kajiura wrote the music and lyrics for the song, and also arranged the song.
