An Undertale AU crossover game simulator to fight Jotaro Sans. I am actually not good at coding to modify the attacks. This game is now unarchived after two years and the link become accessible again.

Jotaro appears to die in Part 6, Stone Ocean, but his body is turned to the Speedwagon Foundation for safekeeping. During one of Pucci's attacks, where he threw knives at Jolyne, Kujo chose to ...