Part 4/7:

Eventually, through a twist of fate, Dan reunites with a grown-up Muri, who has become a military leader in the future. Muri reveals the existence of a toxin that selectively kills male White Spikes and enlists Dan’s help to obtain a female specimen for research. As Dan grapples with his own traumatic past while learning how his future unfolds, including the loss of his wife and ascension of his daughter, he embarks on a complex journey filled with self-discovery, regret, and the search for redemption.