Chapter 517

Bruno Buccellati's Youth (ブローノ・ブチャラティ その少年時代), originally in the WSJ release, is the five hundred seventeenth chapter of the JoJo's Bizarre Adventure manga. It is also the seventy-eighth chapter of Vento Aureo.

Summary
A flashback reveals Bruno Buccellati's past. At 7 years old, Bruno had to decide between living with his mother or his father who divorced. Bruno choose to remain with his father, who he knew suffered most from the divorce. Her mother understood Bruno's intention and was proud of her son, even though they would soon part and only see each other at Christmas. When Bruno was 12, his father brought two suspicious men on an isolated beach, and witnessed a drug deal. Shot and left for dead, Bruno's father was nonetheless brought to the hospital. The two drug dealer decided to finish him off, but Bruno killed them both. Now having to seek protection, Bruno enlisted in Passione who he believed was fighting against the proliferation of drugs. But soon, Passione's own drug trafficking drove Bruno apart from the organization. His father also died 5 years later from his wounds.

Witnessing The Boss's own depravation thrown Bruno in a rage and he decides to openly revolt against him. He opens a zipper and see The Boss carrying an unconscious Trish away down the elevator shaft. Bruno goes after him, determined to kill him.