Ryouko is a main character in the Tenchi Muyo! metaseries. Ryoko is a semi-reformed space pirate who is madly in love with Tenchi Masaki, the main protagonist. She is always shown to have a very competitive relationship with Princess Ayeka, who also has a very strong romantic interest in Tenchi. Ryoko has differing abilities between the different continuities (the OVA, Tenchi Universe and so on), but her aggressive, emotional personality tends to remain the same.
Ai Tenchi Muyou!
In this story, the world is in chaos, thanks to Washu. Now in order to save it, Tenchi Masaki must go undercover as a student teacher at an all-girls school. Unfortunately for him, trouble always comes his way as he has a hard time to deal with the hijinks of his new students.
Tenchi Universe
Tenchi Universe is a twisted continuation of the original Tenchi series. Through a different set of circumstances, Tenchi Masaki meets up with characters such as Space Pirates and Galactic Princesses. Tenchi is then taken on an emotional roller coaster ride, as well as a space epic, as he discovers new things about his new friends, himself, and his destiny.
Tenchi in Tokyo
After a spaceship collision, a boy named Tenchi stumbles upon a catfight of galactic proportions. He helps the girls recover, earning himself a few new housemates. Several years later, he goes to Tokyo for college, but there are dark forces who want to pull the eclectic group of friends apart...
