A desert scene appears and quickly shifts to a night scene with a short female with dark dressed in old fashioned clothing. The female stands upon a phone post looking around as a black butterfly flies.
A young man named Kurosaki Ichigo beats up a group of thugs for knocking over a memorial to a dead girl as they were skateboarding. The ghost of the girl thanks him. He goes back home to the family clinic and is attacked by his father for being late. His sister Yuzu asks for them to stop fighting. Her twin Karin says seeing ghosts doesn't mean she believes in them. Ichigo decides to skip dinner because of his father's antics. His family talks about his problems and his father is upset that his kids won't talk to him. When Karin talks about his immaturity he runs off to a poster of his dead wife.
The next day Ichigo gets up for school and sees an incident on the news and notes the place is near where they live. He takes fresh flowers to the dead girl's ghost and hears a strange sound. Another incident occurs and he sees a monster. The ghost girl is running from the monster and tips. When Ichigo stops to help the ghost the girl with the dark hair dressed in the old fashioned clothing shows up to kill the monster. Everybody thinks there was another explosion.
That night Ichigo goes to his room wondering who the strange girl was. He sees a black butterfly and the girl steps into his room. She proceeds to ignore him until he kicks her in the back. She tells him he is a Shinigami/Soul Reaper.
In the mean time one of the monsters is chasing the ghost girl again.
Ichigo listens to the strange girls explanation, but says he doesn't believe her story. The girl becomes angry when Ichigo calls her a "child, and she tells him she's lived a very longtime. She seals him up with a spell. She then sends a ghost to Soul Society and explains more to Ichigo. The ghosts are "Wholes" and the monsters are "Hollows". When Ichigo comments on her bad drawing she draws on his face and continues her explanation.
The hollow chasing the ghost girl changes direction upon sensing a strong soul and a Shinigami.
Ichigo eventually tells her he can sense the Hollow when the strange girl can't. Ichigo's family is attacked by the Hollow, and the strange girl tells him to stay out of it. He attacks the Hollow in an attempt to save Karin. He finds out from the Shinigami that the Hollow is after his soul. When Ichigo tells the Hollow to come and fight him, and the strange girl gets in the way. The Shinigami tells him her name and offers her power. Ichigo takes all her power and ends up defeating said Hollow.