Petrea Burchard

Tenchi and co. find their existence unsettled by a time-travelling entity called Kain. Desiring revenge upon the Juraian emperor, Tenchi, Kain travels back in time to kill Tenchi's mother. (imdb)

This film takes a more serious turn from the Tenchi TV series and movies. One day, Tenchi disappears in the forest near his house. Six months later, Ayeka and Ryoko locate Tenchi living in a city, but with a mysterious woman. What's more, Tenchi appears to have aged several years. Whenever Ayeka and Ryoko catch up to him, he disappears into thin air, apparently existing in a fabricated alternate dimension where he has no knowledge of his past... (imdb)