It is the second opening theme song for Bungo Stray Dogs; a single was released on October 26, 2016.

It was composed by Masatomo Ota while the lyrics were provided by Yohei Matsui.

[3] It focuses on Atsushi Nakajima's attempts to become a stronger person.

[4] The full song can be listened online on Screen Mode's YouTube account.

[5] The song was reused in the 2018 film Bungo Stray Dogs: Dead Apple.