Total # of Volumes: 2
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2: Final Force
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Languages: English VHS, Japanese w/subtitles VHS, or Multilingual DVD
Video: 4:3 NTSC Standard Aspect Ratio
Audio: 2.0 Dolby Digital
American Release Status: Unavailable
Creator: Yuuki Masami
Director: Yoshiaki Kawajiri
Character Designer: Kumiko Takahashi
Music: Kou Ohtani
Animation Director: Kumiko Takahashi
Animation Studio: Madhouse
American Producers: US Manga Corps/Central Park Media
Title: Double Trouble
Running Time: 70
Number of Episodes On This Volume: 2
1: 2 Hearts in 1 Body
2: Double Trouble
Episode 1: 2 Hearts in 1 Body
The story opens with a series of explosions shattering a quiet night in the Tokyo suburbs. A man runs with a look of terror in his eyes. A shadowy figure is chasing him. Soon he encounters Tsutomu, a schoolboy looking for some refreshment during a last night of cramming for his senior high school exams. The man pleads with him to help him hide from the monster that is stalking him. Tsutomu reluctantly agrees and take the man to a narrow alley.
They hide there until a girder drops from the sky. It's the pursuer!! They dash from the alley and run. The man is in the lead and reaches an intersection before Tsutomu. He sees the other person ahead and grabs Tsutomu. Just as the attacker reaches them, the man thrushes poor Tsutomu at the figure. She grabs the boy and reacts instinctively, killing Tsutomu accidentally.
The next thing Tsutomu knows, he is floating in a strange nether place. He can hear voices talking about him but he is unaware to what they are saying. The lead voice, a man's, tells the female voice that she caused the accident and must make things right. She reluctantly agrees and Tsutomu sees the form of a girl swooping down towards him.
Tsutomu then awakes to find himself at home and in bed. It's morning so he says "It must have been a dream". He then realizes that today is the exam and races to get ready and go. He reaches the school where he meets his friend Natsumi. She wishes him good luck and they enter the exam room. Tsutomu looks glum and nervous. A classmate offers him a girlie magazine; to help clear his mind. The exam begins and Tsutomu can't even think of the answer to single question. But as he sits and frets, his hand suddenly begins to write in the answers. Tsutomu first just watches in shock but is soon spooked by the event. He finally ends up wrestling with his own hand and yelling aloud. The teacher inquires to the nature of the problem and Tsutomu sheepishly says he is sorry.
With the exam over, Tsutomu heads for home. He figures that the hand thing was just his subconscious mind pouring out the answers he hand accumulated over the studying period. As he passes a construction site, though, he is quickly grabbed and drawn in. He now finds himself being held out over the end of a beam many stories up, seemingly for no good reason. He asks the man why he is here and the man demands to know where Birdy is. The boy is clueless but just then he hears a voice inside his head. The voice asks if they can switch places and before he can even give his answer, Tsutomu's body transforms into that of a young woman's. Birdy, the young woman, quickly defeats the man and Tsutomu returns to normal just as quickly, though his uniform is now shredded.
Birdy tries to explain to Tsutomu that they now share a body but it is all too fantastic for him to comprehend. She eventually resorts to making Tsutomu visit her hidden ship. There he learns the truth about his own death and resurrection, the sharing of bodies with Birdy and of Birdy's own past, which involves a dangerous criminal named Revi.
They return home and Tsutomu tries to return to a normal life. After dinner, he heads for the bath. He and Birdy chat about the awkwardness of the relationship but then Birdy suddenly takes over. She rises from the bath and peers out the window. She has caught the scent of a threat. It is just then that Tsutomu's dad enters and spies the naked girl. They exchange embarrassed glances and dad retreats. Meanwhile, Birdy leaps out of the window to challenge the threat. She uses a "modulator" that she retrieved from the ship to generate her battle suit and races of to the fight.
She encounters a being that is like a virus. It can absorb matter and create new weapons or forms from it. She tries to use her power techniques but the attacker is too fluid for such methods to have effect. She tells Tsutomu that a chemical weapon is need but she does not have access to any. Tsutomu tells her to go home. Birdy does so reluctantly, believing that Tsutomu is running away. But at home, he grabs a bottle of household cleanser and they return to the fight. The monster does not like the cleanser at all and retreats.
Tsutomu then heads to the park for a breather and a gulp of water. There he encounters a pair of robots, bent on killing him. At first, Tsutomu tries to take them on by himself. He is tired of being bossed around. But they are too strong. So Birdy takes over and defeats the machines, tossing the remains into the river.
Tsutomu thinks it is over but Birdy knows better. She waits and sure enough, out of the river rises a creation made from both the virus and the robot. They battle and at first it looks like Birdy is going to lose. She ends up getting caught within the monsters ooze and begins to lose conscious. But Tsutomu revives her. They then work together, Birdy with the body and Tsutomu with the mind. He leads them back to the alley and there they defeat the monster by dousing it with gasoline and setting it on fire. This is where the episode ends.
Episode 2: Double Trouble
The story opens with a crime scene investigation. Two Tokyo detectives are inspecting a body discovered in a dark alley. The victim is an old man and all seems pretty routine until they realize that they are looking a the remains of a young man (his driver's license gives his birth year as 1972). What does it mean? They send the body for an autopsy.
Meanwhile, it is the day that Tsutomu gets the results of his entrance exam. His sister tries to tease him about it by surprising him in his room with an early morning wake up call but she finds him awake and serious. Little does she know that it is actually Birdy speaking and moving. She then forces the still slumbering Tsutomu to travel across sound in pursuit of a strange signal she hears.This leads her to a busy intersection where she discovers the source of the sound. It is Christella Revi. She charges towards the car but it speeds off. As she stands in its wake, Gomez appears from behind and karate chops her on the back of the neck. She drops unconscious.
Tsutomu awakes a short time later, bewildered to how he got across town. But he soon realizes that he is late for the posting of the exam results and dashes off. At the posting, Tsutomu can not will himself to look. His school chums offer him another girlie magazine to take his mind of the pressure. But Natsumi arrives and drags Tsutomu away from the other boys. When he admits that he can not look, Natsumi looks for him. He has passed!! Tsutomu shares his joy aloud with Birdy and Natsumi asks who he is talking to. Birdy responds by making Tsutomu give Natsumi a hug. The two blush and part ways. Birdy's action angers Tsutomu and he tells her that he wishes she would leave him and the planet.
Meanwhile, the detectives receive the results of the autopsy. It seems that the higher functioning areas of boy's brain had shrunk and the "reptile" section had enlarged. When they ask the significance of that, the doctor replies that it would create a more aggressive and controllable being and that there had been experiments during WW2 to that effect. The detectives then set out to find if any of the original scientist or files exists.
Back at home, Tsutomu builds up the courage to call Natsumi. He finally reaches her and she asks if he can come over right away. There is a strange man watching her apartment and she is there alone. Tsutomu leaves immediately.
When he gets there, he finds a robot (called an arkanoid) lying in wait. He tells Natsumi to stay inside and goes off in pursuit. The arkanoid gets the jump on Tsutomu and begins to choke him. Birdy tells Tsutomu to swap places but he does not want to because Natsumi is watching. Birdy reminds him that they will both die if she does not take over and she forces them to change places - with Natsumi arriving just in time to see the transformation. Birdy damages the robot and they awkwardly waves to Natsumi. She then gives chase to the machine.
The chase leads them to an aquarium. There they encounter a young man who has been the subject of some very painful and sinister experiments. The young man uses psychic powers to smash open the huge tanks and launch jets of water at Birdy. She breaks free and knocks the boy out of the building. Outside, they battle on the face of a skyscraper and eventually end up on the roof. The young man undergoes a transformation that turns him into a huge monster that seems to be much stronger than Birdy. But just as Birdy is about to deliver a blow to the head of the creature, the young man's voice cries out from within it. As Birdy suddenly realizes that this is the innocent victim of a terrible experiment, a helicopter appears and a man leans outs of it. He shoots the monster with some sort of gun and the creature dies, leaving behind a corpse similar to the one at the beginning of the video.
Birdy asks the man what is going on and he only replies "an experiment." Birdy tries to give pursuit, but is stopped by Gomez. He warns her not to interfere with Christella Revi and then breaks her arm. He then leaves with the corpse. Birdy transforms back into Tsutomu and asks him to take her back to the spaceship.
There, she repairs the wound and swears to tear Gomez limb from limb, if she encounters him again. Tsutomu agrees. She then asks if this means that they will work together and he says yes. Tsutomu asks for only one thing in return; could they be more careful when they transform? Birdy says yes - it was not a good thing to change in front of Natsumi and they will be more careful next time. Reminded of the transformation, Tsutomu frets over what to say to her and Birdy says, "It will work out." This is where the episode and video end.