Seemingly a sailor who is amnesiac about all details of his personal life.  For some reason, he has 4 testicles.  The real identity of this character is unknown. The second chapter stated that the Jojolion protagonist's name ~!could be Yoshikage Kira, however, it is later revealed that he is merely a doppelganger for the real Kira.!~ He was later given the name Jousuke by the Higashikata family, who took him in.   ~!However, DNA testing implies that they are nearly the same person.!~

This part will take place in Morioh-Cho (the same town in Part 4: Diamond is Unbreakable), but in the alternative universe in which Steel Ball Run takes place.
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Following the Great East Japan earthquake, Morioh has been stricken by vast earthen protrusions known by the locals as Wall Eyes. Despite investigation, professional estimations are left empty. Meanwhile, the young girl Yasuho Hirose discovers a man buried within the ground, he possesses a distinctive star-shaped birthmark together with deeply penetrating bite marks. The man, who has contracted a staple case of amnesia is taken in by a local family and given the name Jousuke Higashikata, however mysterious events cannot stop from piling one upon the other and soon that enigma known as stands emerges to complement the great cloud of confusion.