In the Introduction to Part 2 of "The Brief Wondrous Life of Oscar Wao," the narrator, Yunior, suggests that Part 2 will focus on the aftermath of Oscar's death and the impact it has on those around him, particularly his sister Lola and his mother Beli. Yunior also implies that Part 2 will delve deeper into the themes of love, loss, and identity that were introduced in Part 1.
Based on this, readers can expect Part 2 to be an exploration of the emotional and psychological consequences of Oscar's death for those who loved him. The narrative may shift focus from Oscar himself to the people who were affected by his life and death, and we may gain new insights into their relationships and struggles. Additionally, the themes of love, loss, and identity may be further developed and explored through the experiences of the novel's characters.