Volume 30

Okuyasu and Keicho Nijimura (虹村億泰・形兆) is the second volume of Diamond is Unbreakable and the thirtieth volume of the JoJo's Bizarre Adventure manga. It covers the rest of The Nijimura Brothers story arc.

Chapters

 * 010 (275). The Nijimura Brothers (2)
 * 011 (276). The Nijimura Brothers (3)
 * 012 (277). The Nijimura Brothers (4)
 * 013 (278). The Nijimura Brothers (5)
 * 014 (279). The Nijimura Brothers (6)
 * 015 (280). The Nijimura Brothers (7)
 * 016 (281). The Nijimura Brothers (8)
 * 017 (282). The Nijimura Brothers (9)
 * 018 (283). The Nijimura Brothers (10)