[1] It features a girl, probably Gabi Braun, an Attack on Titan character, holding a rifle, dressed in school clothes and standing in the middle of a classroom.

[2] In an interview with the Natalie website, Isayama said, "as a loyal fan of Shinsei Kamattechan, I am very happy to see the opening song composed by them.

"[3] In an interview with Natalie, band member Noko said, "'My War' is a song that blends all of Shinsei Kamattechan's styles, including intense, deep and subtle, rocking and beautiful.

"[4] Noko later said that Isayama had many things in common with the band, so just like "Yūgure no Tori", it was easy to achieve this collaboration, and it was also related to the dark style of the latest season of Attack on Titan.

[6] Subsequently, Shinsei Kamattechan performed the song for the first time publicly at Net Generation 20 held at Liquidroom in Shibuya, Tokyo on December 27.