Volume 40

Janken Boy Is Coming! (ジャンケン小僧がやって来る！) is the fortieth volume of the JoJo's Bizarre Adventure manga. It is also the twelfth volume of Diamond is Unbreakable. 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 Am an Alien story arc.

Chapters

 * 105 (370). Yoshikage Kira's New Situation (1)
 * 106 (371). Janken Boy Is Coming! (1)
 * 107 (372). Janken Boy Is Coming! (2)
 * 108 (373). Janken Boy Is Coming! (3)
 * 109 (374). Janken Boy Is Coming! (4)
 * 110 (375). Janken Boy Is Coming! (5)
 * 111 (376). Janken Boy Is Coming! (6)
 * 112 (377). Yoshikage Kira's New Situation (2)
 * 113 (378). I Am an Alien (1)
 * 114 (379). I Am an Alien (2)