Tenchi Masaki is the main protagonist of the anime and manga series Tenchi Muyo!. He is a high school student who discovers that he is the descendant of a powerful space warrior, which leads to encounters with various alien characters. Tenchi is known for his kind-hearted nature and strong sense of justice. Throughout the series, he navigates complex relationships with several female characters, including Ryoko, Ayeka, and Sasami, who all have their own unique abilities and backgrounds. His journey often involves balancing his normal life with the chaos brought by these intergalactic visitors.