Chihiro Kawai

Sasami's and Tenchi's mother and the owner of the CD-Vision music store. Once a successful pop singer, she is a huge fan of karaoke and regularly leaves her daughter no choice but to sing with her, much to Sasami's annoyance. Her biggest hit song was Ai no Makeikusa (Losing the Fight of Love; Your Hiroshi in the dubbed version), which is featured in the beginning of the first episode, and as the ending theme for the second episode of the Pretty Sammy OVA.

She appears again as one of the members of the Team Sexy Mrs. in Magical Project S, but she has no relationship with Sasami or Tenchi.

(Source: Wikipedia)