The song is the opening theme for the 2020 TV anime series Vinland Saga as first revealed by manga author Makoto Yukimura in May 2019.

[1] Yosh from Survive Said the Prophet said he the band found the theme comfortable to play thanks to their relationship with Director Shūhei Yabuta.

[2] Survive Said the Prophet started pre-downloading and streaming distribution of the title song to be released on August 21.

Anime News Network listed the song as one of the best themes from Summer 2019 especially due to its music video; It explores the early life of Thorfinn involves his desire to seek adventures around the world, but he becomes corrupted when Askeladd's forces kill his father, Thors.

[6] In the 4th Crunchyroll Anime Awards, "Mukanjyo" was nominated for "best opening sequence"[7] IGN regarded it as one of the best musical pieces in the first season due to the large amount of instruments employed.