Volume 40

Janken Boy Is Coming! (ジャンケン小僧がやって来る！) is the twelfth volume of Diamond is Unbreakable and the fortieth volume of the JoJo's Bizarre Adventure manga. It covers the ' story arc, the ' story arc and the first two chapters of the  story arc.

Chapters

 * 105 (370). 
 * 106 (371). 
 * 107 (372). 
 * 108 (373). 
 * 109 (374). 
 * 110 (375). 
 * 111 (376). 
 * 112 (377). 
 * 113 (378). 
 * 114 (379).