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...
There was someone in the window just now.
.فقد لمحتُ شخصاً في النّافذة للتو
Da war gerade jemand am Fenster.
Vi a alguien en la ventana.
Vi a alguien en la ventana.
J’ai vu quelqu’un à la fenêtre.
Ho appena visto qualcuno alla finestra.
Acabei de ver alguém na janela.