Hitoshi Kobe doesn't do well in school. Girls don't even talk to him. But he's good at computers, and has designed artificial intelligence programs. Number 30 is his favorite, and he promises Thirty that if she ever becomes a real girl, he'll be her boyfriend. One night, his house is struck by lightning and Thirty emerges from the computer screen.

Hitoshi Kobe doesn't do well in school. He's no good at sports. Girls don't even talk to him except to make fun of him. The one thing he's good at is computers. He's designed artificial intelligence programs and Number 30 is his favorite. Hitoshi promises Thirty that if she ever becomes a real girl, he'll be her boyfriend. One dark and stormy night, his house is struck by lightning and Thirty emerges from the computer screen...