Koichi Hirose (Echoes) (story arc)

Koichi Hirose (Echoes) (広瀬康一(エコーズ), Hirose Kōichi (Ekōzu)) is the fourth story arc in Diamond Is Unbreakable.

Summary

Jotaro, perceived as the greater threat, is warned by the user of Red Hot Chili Pepper to leave Morioh.

Koichi is extorted by Tamami Kobayashi of the new Stand The Lock. However, when Josuke exposes his scam, Tamami flees. Tamami then draws in Koichi's mother and sister, and provokes the metamorphosis of Koichi's Stand into Echoes ACT1 which can implant sounds into objects and people. When Koichi manages to lift his mother's guilt, Tamami surrenders to Koichi.

Appearances

{{Scroll box |content= Characters

• Jotaro Kujo
• Akira Otoishi (Voice only)
• Koichi Hirose
• Tamami Kobayashi (1st appearance)
• Okuyasu Nijimura
• Josuke Higashikata
• Police (1st appearance)
• Koichi Hirose's Mother {{1st}
• Ayana Hirose {{1st}
• Mr. Hirose (1st appearance) (Photo only)

Stands

• The Lock (1st appearance)
• Echoes (Egg)
• Echoes (ACT1) (1st appearance)

}}

Chapters

• 019 (284). Koichi Hirose (Echoes), Part 1
• 020 (285). Koichi Hirose (Echoes), Part 2
• 021 (286). Koichi Hirose (Echoes), Part 3
• 022 (287). Koichi Hirose (Echoes), Part 4
• 023 (288). Koichi Hirose (Echoes), Part 5

Volumes

• 03 (31). Koichi Hirose (Echoes)

Anime Episodes

• 05 (79). The Nijimura Brothers, Part 3
• 06 (80). Koichi Hirose (Echoes)