remains and remarks that she is free from the smell. Characters : A young man who enjoys scuba diving. He has a girlfriend named Kaori and an uncle named Koyanagi. At the end he joins a group of university students, who happen to be immune from the death-stench, to create a vaccine to defeat the disease. In the OVA version, instead of Kaori, Tadashi becomes infected and is attached to a custom made walking machine by Koyanagi. The machine later turns against Koyanagi and kills him before escaping. : Tadashi's girlfriend. She has an extremely sensitive nose and becomes very jealous when Tadashi is near other women. Due to her overly sensitive nose, she seems to be able to smell the creatures when they are nearby. However, she is later infected, causing her body to swell up and forces the gas with the "death stench" out of her body. Because of this, she began to think she was disgusting, that Tadashi wouldn't love her if she wasn't beautiful. This, along with the horrible stench, made her attempt to commit suicide. Tadashi then immediately carries her to his uncle Koyanagi's lab for aid, however Koyanagi rigs her up to a custom walking machine and ultimately, she becomes like the walking dead creatures, except with a will of her own. As a walking machine, she is eventually destroyed by a horde of other walking machines that deem the custom walker to be a threat to their survival. In the OVA adaptation, Kaori is switched with Tadashi as the main protagonist. She also possesses the unexplained immunity to the infected creatures' poisons instead of Tadashi. : Tadashi's uncle and an inventor. He discovers it was his father, who died of a heart attack in a factory during a hot summer, was responsible for the creation of the mechanical legs. While dissecting the fish, the legs then clamp onto his arm. He cuts off his arm to prevent the infection from spreading to the rest of his body. He is fascinated by the machine, not caring that he lost an arm to it. He then creates his own version of the walking machine and puts the infected Kaori onto it. He is mortally wounded when he is stabbed by Kaori's walking machine. He then goes to Lab #2 where his father originally died and places himself onto another walking machine that is able to