Sonic Soldier Borgman: Last Battle

Three years have passed since the events that changed their lives, and Ryo has taken on a role as an engineer at NASA, working on an ambitious rocket initiative. Meanwhile, Anise, a fellow Borgman and Ryo's partner, finds herself in a more mundane job flipping burgers. When an enticing opportunity arises for her to work on a cutting-edge project in Japan, she eagerly accepts, leaving Ryo behind, who struggles with his own uncertainties.

In Japan, Chuck Sweager, the third Borgman, leads a life of law enforcement alongside his girlfriend, Miki. When Miki witnesses a bizarre confrontation involving cyborgs, Chuck is initially skeptical, believing there are no other living cyborgs besides the three of them. Yet, convinced by Miki, he begins to investigate. As Anise settles into her new role, she learns of the strange occurrences surrounding the Heaven's Gate project and volunteers to gather information. Meanwhile, Ryo, determined to reunite with Anise, travels to Japan with Hussan, a key researcher from their past, to aid in the investigation. As their paths converge, the stakes rise, leading to a complex web of discoveries and confrontations.