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 Yoshikage Kira's New Situation story arc, the Janken Boy Is Coming! story arc and the first two chapters of the I'm an Alien story arc.

Chapters

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