With a brass instrumental setting the tone, “Action Figure” conveys the message of an action figure protagonist who leaves behind hopes and dreams for others and persists on protecting them, despite feeling melancholy due to the frigid reality of a lack of freedom.

The song, which is accompanied by trumpets, witty lyricism, and an exchange of low-toned rap and mellow vocals, was promoted alongside title track “秘境 (Kick Back)” with a performance video. A few months after the release, member KUN uploaded a remix of the song on YouTube, which was arranged and mixed by him.