In these flashbacks, we see Aki Hayakawa, Power (on the trio's Hokkaido Trip), and Reze (from Denji's coffee date with her). Intriguingly, one individual in particular was missing - Makima.
Although a desperate and heartbreaking statement, this reminds the readers about how Makima told Denji that she will always kill people that he loves. With his new statement, it seems that Denji ...
However, his dreams were short-lived since Makima materialized them soon after. But even so, Denji did not feel a sense of fulfillment, i.e., it can be said that it brought him disappointment.