Rin a young high school student is your everyday awkward girl who gets bullied by her fellow students. On her 16th birthday, Rin gets an unexpected surprise: she finds out that she is, on her father's side, a half-mutant.
High school student Mizushima receives Valentines Day chocolates from the new student, Monami. Little did she know that the chocolates contained traces of Monami's vampire blood. He gets infected from eating them and Monami confesses that she wants to live with him forever as vampires. Meanwhile, Mizushima decides that he wants to fully become a vampire with Monami's help. Keiko, Mizushima's girl friend, sees the two on the school rooftop kissing and in a state of hysteria, attempts to throw Monami off the roof but falls off herself instead. Keiko dies but her father, Kenji Furano, the mad scientist, resurrects her as Franken girl. Thus begins a deadly combat between Franken Keiko and Vampire Monami in the name of love.
This is a spin-off feature from Tokyo Gore Police and centres on 3 characters from the movie who are each given a short story telling us how they became an “engineer”. The first is about a retarded construction worker Dokata who can’t speak properly but is looking for love and gets more than he bargained for, the second about a schoolgirl attacked by 3 people who’s transformed into a dog of some sort and the final story is about a man who witnesses a fight between a woman who has a penis for a nose but also instead of hair she’s got a head full of penises and another “engineer” who looks like a red indian.