4:24 Koichi Theme but it's EPIC VERSION (feat. Kakyoin Theme) [Echoes ACT4 Requiem] 5:06 JoJo AMV - Koichi's Theme - Courage 2:39 JoJo's Bizarre Adventure: Diamond is Unbreakable OST - Courage 3:46 JoJo's Bizarre Adventure: Diamond is Unbreakable OST - Evolution 2:35 Koichi AMV『Koichi's Theme - Courage』[ JoJo's Bizarre Adventure AMV ] 2:38 Koichi's Theme - Courage [8-bit; VRC6] [16-bit; SNES] - JoJo's Bizarre Adventure 1:22 Koichi Saves Kazuho (Pop Step) OST Theme - EP2 MHA: Vigilantes Epic Rock Cover 7:34 Koichi/Echoes Theme Suite - Jojo's Bizarre Adventure OST 4:16 Kakyoin's Theme but it's EPIC VERSION (Attack on Titan Style) 4:35 JoJo's Bizarre Adventure: Eyes of Heaven OST - Koichi Hirose Battle BGM 1:49 JoJo's Bizzare Adventure - Koichi Hirose's Theme 2:54 JoJo's Bizarre Adventure: Diamond is Unbreakable OST - Echoes ACT1 2:24 JJBA Part 4 - Courage / Koichi's Theme (Simpsonill & Skirell Remix)