Because Yohta VCR is malfunctioning when he played the tape Ai character isn’t the same with the supposed to be personality designed for her. In the latter episode of this Japanese Animation, Ai is being recalled by her creator and Yohta is fighting to get her back.
Yohta and Ai grew closer when they are together, and they are starting to bound by love. If you like a romantic and funny story Video Girl Ai is a good anime for you to watch but this anime is not suitable for young children and some of the scene is made for adult audience. The character and story are created by Masakazu Katsura a famous anime and manga artist.