Tenchi Muyo is a popular Japanese anime and manga series that began in the early 1990s. The story follows Tenchi Masaki, a young man who accidentally releases a space pirate named Ryoko from a cave. This event leads to a series of comedic and adventurous encounters with various alien characters, including Ayeka, a princess, and Washu, a genius scientist. The series blends elements of science fiction, romance, and comedy, showcasing Tenchi's interactions with these extraterrestrial beings. Over the years, it has spawned multiple spin-offs, movies, and adaptations, making it a significant part of the anime culture.