Diamond is Unbreakable - Chapter 2 
Jotaro Kujo! Meets Josuke Higashikata, Part 2 (空条承太郎! 東方仗助に会う その②, Kūjō Jōtarō! Higashikata Jōsuke ni Au Sono 2), originally A Seriously Dangerous Guy (マジであぶね一奴, Maji de Abunē Yatsu) in the WSJ release, is the second chapter of Diamond is Unbreakable and the two hundred sixty-seventh chapter of the JoJo's Bizarre Adventure manga.
Jotaro reveals some knowledge of Josuke's life such as his mother's background, his birth date, and the 50-day fever that afflicted 4-year-old Josuke in 1987. He then reveals that Josuke's absent father is Joseph Joestar. He introduces himself as Josuke's much older nephew and explains his business in Morioh: linking Josuke to Joseph's inheritance. Jotaro is surprised by Josuke's modesty and composure at this news.
As a group of Josuke's female admirers arrive and greet Josuke while he is talking to Jotaro, the latter attempt to gain back his attention. Jotaro unknowingly enrages Josuke by making an off-hand remark about his hairstyle, prompting Josuke to use his mysterious Stand power to attack Jotaro in retaliation. Jotaro counters Josuke; providing Josuke his first evidence of Stands other than his own, though this does not interest him in his angry state. After an exchange of punches, Jotaro is shocked to discover that Josuke's Stand appears to be as fast and powerful as his own Stand, forcing him to stop time to end the fight after Josuke breaks Star Platinum's guard (he says, for the first time since fighting DIO, 10 years ago).
Jotaro finds his hat slashed by Josuke's Stand's last punch, just before it is magically reset in a malformed way, which Jotaro analyzes as Josuke's special ability: To restore and/or change broken objects. Jotaro punches Josuke with his bare fist, concluding their fight, before showing Josuke a photograph (in the foreground, a face emerging from the mist, with a house in the background) while explaining his second purpose in visiting: the looming threat of a paranormal threat, likely a Stand user.
- This chapter states that Part 3 is set in 1987 but each one since Chapter 282 uses 1989 as the year DIO died. The artbook JoJo 6251 states that it began at the end of 1987 and ended at the beginning of 1988.