Sho Moteuchi (Shuhei Nomura) is a high school student. After his parents divorced, he begins to live with his uncle. At school, he develops feelings for his classmate Nanami, but Nanami likes his friend Tomoaki. One day, he finds an old broken video cassette recorder at his uncle’s house. Sho repairs the video cassette recorder and suddenly a video of girl plays. The girl in the video introduces herself as Video Girl Ai. The girl then steps out of the video and lives with Sho for the next 3 months. Whoever plays the video with Video Girl Mai, becomes Mai's master. To grant her master's wishes, Video Girl Mai carries her orders using her femme fatale charm. She fascinates people and trifles with them, but what is her real purpose?