Mayuka Masaki is Tenchi Masaki's biological daughter from the future.    For most of the second Tenchi movie, it is unknown who her mother is.   ~!Her mother is the demon Yazuha.!~    The movie Mayuka is from is generally not considered to be canon in any of the Tenchi universes.

A girl, Mayuka, appears one day claiming to be Tenchi's daughter, much to the shock of the Masaki household. Chaos ensues as Washu attempts to discover Mayuka's background, and the girls adjust to the new presence at their home. The result of her appearance reaches back into the past, and puts Tenchi in danger. Tenchi and Ryoko must travel into the realm of a demon called Yuzuha in order to try and set things right, but their task is not an easy one.
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(Source: Anime News Network)

__Hobbies:__  Golf, guitar, making ceramics    

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Her sister, [Barbara de Bortoli](https://anilist.co/staff/95763/), is a popular Italian voice actress too. She dubbed [Kagome Higurashi](https://anilist.co/character/1354/Kagome-Higurashi) (from "Inuyasha") for the first 26 episodes, then contractual questions forced dubbing staff of Dynamic Italia to change casting roles and give her one to [Maria Letizia Scifoni](https://anilist.co/staff/96676/).