[2][3] "Yūsha Tachi" has been certified gold by the Recording Industry Association of Japan with more than 100,000 units downloaded.

Kato provided the first televised performance on Bokura no Ongaku on 29 July 2011, for the promotion of the song was put into a halt due to the impact of the 2011 Tōhoku earthquake and tsunami.

[9] In June 2012, "Yūsha Tachi" was certified gold by the Recording Industry Association of Japan with more than 100,000 units downloaded.

[11] "Yūsha Tachi" was covered by Japanese-American singer Ai for Kato's tribute album, Inspire (2020).

Ai is Kato's fellow musician and has collaborated with the singer for their single, "Stronger" (2011).