I'm an Alien (story arc)

I Am an Alien (ぼくは宇宙人) is the twentieth story arc in Diamond Is Unbreakable.

Summary
Josuke and Okuyasu encounter Mikitaka Hazekura, proclaiming to be a bicentenarian extraterrestrial while displaying a Stand-like shapeshifting ability Earth Wind and Fire. Josuke befriends Mikitaka and exploits him in cheating money from Rohan in a game of dice by having Mikitaka become the dice. Rohan discovers that Josuke is cheating but cannot deduce how while Mikataka has difficulties maintaining the masquerade.

Josuke and Mikitaka finally get away scot-free while Rohan's house is burned down because of a magnifying glass.

Chapters

 * 113 (378). I Am an Alien, Part 1
 * 114 (379). I Am an Alien, Part 2
 * 115 (380). I Am an Alien, Part 3
 * 116 (381). I Am an Alien, Part 4
 * 117 (382). I Am an Alien, Part 5
 * 118 (383). I Am an Alien, Part 6

Volumes

 * 12 (40). Janken Boy Is Coming!
 * 13 (41). Highway Star

Anime Episodes

 * 27 (101). I Am an Alien
 * 28 (102). Highway Star, Part 1