Following the comic series and the subsequent television serial of the same name, and featuring the same cast, a young and relatively inexperienced man comes across a woman during his working day and sparks fly.

The city is infested with mysterious parasites that bore into their human hosts to increase their host's power and sexual desires. A beautiful girl, Suzune Arizono is a vet with a specialty in parasites, and who fights daily to end the plague. Before long, she learns that an evil organization, the Kito Zaibatsu, is behind the explosive growth of this ferocious parasite. She also learns that her long-missing father, Dr. Arizono, is also involved. In order to crush the Kito Zaibatsu's ambition and to see her father again, Suzune takes on the fight without regard to the danger involved.

Hanai Sota is 22-years-old and a university student in the veterinary department. Since he was little, he has always loved animals. His apartment is full of animals that needed help. One day, Hanai Sota saves a dog that was being used in experiments. To save more of the animals, he sets up the "Inubu" club. His friend Shibasaki Ryosuke, among other people, joins the group. Shibasaki Ryosuke also loves dogs and is a student in the same veterinary department as Hanai Sota. They work hard to protect the animals. 16 years later, a report comes out. The report is about Hanai Sota, who was arrested.

Teppei and Kamiya, two average joes working in the electronic services industry, stumble upon the intergalactic bounty-hunter Ilia, and her partner, the artificial intelligence named Bob. Both men are accidentally transported to the Zone, a virtual reality in which Bob has trapped Ilia's latest prey, a biological weapon named Zeram. The Earth natives must both survive the experience and help Ilia capture Zeram before the Zone disappears around them.

A frustrated detective deals with the case of several gruesome murders committed by people who have no recollection of what they've done.

Girls surrounding 17 years old are affected by an illness that make her to be 'Stacies': they feel a strange and momentary happiness until they become zombies.

As the Heisei era nears its end, the Shimazu Clan's second-generation boss, Yumizo Tokuma (Ryuji Katagiri), suffers a fatal stroke, triggering a power struggle. A succession battle erupts between Wakagashira Tetsuo Sakuragi (Yasukaze Motomiya) and Saiko-komon Kippei Hagiwara (Kazuyoshi Ozawa). Hagiwara's faction aligns with the Kanto-based Ichio Federation to block Sakuragi from becoming the third-generation boss. Targeted for assassination and detained by police, Sakuragi faces escalating conflict. The feud claims lives, including members of Hidetoshi Kaji's (Hitoshi Ozawa) Koga Family. Remembering Tokuma's wish to avoid internal bloodshed, Sakuragi withdraws from the race, vowing to step away. Yet, his decision may not bring an end to the turmoil...

The Shimazu Clan's internal conflict over succession spirals into a full-blown war, pitting the traditional Miwa Clan, backing third-generation boss Tetsuo Sakuragi (Yasukaze Motomiya), against the Shinseikai faction led by former Saiko-komon Kippei Hagiwara (Kazuyoshi Ozawa), now aligned with the Ichio Federation. The feud escalates, engulfing Osaka’s two major yakuza factions and threatening to consume the entire region. In the midst of the chaos, Sakuragi takes an unexpected action to bring an end to the conflict…

The truth of a sniper becomes clear in the turmoil of a drug robbery that shakes the underworld.

Intergalactic bounty hunters Iria and Bob return to track down an ancient mystical relic. When a second Zeiram unit shows up and goes berserk, it takes all of Iria's resources to survive a deadly game of cat-and-mouse with the fearsome space creature.