Koichi Hirose (Echoes) (広瀬康一(エコーズ) Hirose Kōichi (Ekōzu)) is the third volume of Diamond is Unbreakable and the thirty-first volume of the JoJo's Bizarre Adventure manga. It covers the Koichi Hirose (Echoes) story arc and the Toshikazu Hazamada (Surface) story arc.


Author's Note

Author's Note
I listen to music often, but sometimes I get the melody of a song stuck in my head, and it gets troublesome. The worst case of this was when I had the song "Man and Woman" in my head, and just the portion where they went "Daba Daba Daba" for three days: And this was when I was a student, so I couldn't concentrate on studying at all. Also, the song "March 365 steps" by Kiyoko Suizenji tends to repeat itself in my mind often, and it even made me have one of those famous Pavlovian reactions.

—Hirohiko Araki




  1. ジョジョの奇妙な冒険  31

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