Tenchi Muyo! In Love

Tenchi Masaki and his crew are watching old home videos of his mother, Achika, when she begins to vanish. This prompts them to investigate a recent event: the escape of intergalactic criminal Kain from prison and the destruction of the Galaxy Police Headquarters. Kain's actions seem to have altered time, and Tenchi believes his mother was somehow involved in this change. To restore the timeline and protect his mother, Tenchi travels back in time with his friends to prevent Kain from interfering with Achika's fate.