Angelo's Stand ability was brought forth by the mysterious bow and arrow, and apparently they're also connected to DIO. After defeating Angelo, Jotaro thought that the danger had left the city, and tries to find the whereabouts of the bow and arrow. A few days later, Koichi is walking home with Josuke, and they pass a house that should be empty...
Huh? Oh! Josuke hasn't come 
home from school... yet.
لم يعُد جوسكي إلى المنزل من مدرستِه... بعد
Hä? Ach, Jōsuke ist wohl noch
nicht von der Schule zurück.
¿Eh? Ah, Josuke aún no
ha regresado de la escuela.
¿Eh? Ah, Josuke aún no
ha vuelto de la escuela.
Eh? Oh! Josuke
non è ancora tornato da scuola...