Where to watch online anime? Genre - Sci Fi Page 53 - Zoro? Right Here!

UFO Princess Warukyure, aka UFO Princess Walkyrie is about a princess from outer space who accidentally crashes on earth, where Kazuto desperately tries to maintain the public bath of his grandfather. Due to circumstances, Kazuto receives part of princess Walkyrie's soul which forces her to stay there with him. But that's not the only problem ... because her soul lost strength, the princess transforms both mentally and physically into a little kid! (Source: AniDB)

The third season doesn`t have a particular story behind everything (like "Valkyrie Ghost" in the second season). It just tells 6 stories about the life of Kazuto & Co. with some additions: Raine and Chorus get a house on earth, the last three Valhalla princesses each get an episode, and in the last episode Kazuto and Valkyrie, who in the same episode managed to stay adult, >try< to marry again. (Source: ANN)

Ray, Anna, Tyler, Halle, and Eisuke are five high school students who are suddenly wrapped up in a mysterious incident. An alien species called Grey abducts Halle's sister and embeds her with a special chip inside her brain. The five stand up to save Halle's sister and try to reveal the existence of aliens, but continue to be met with mysterious events. The high school students' story progresses into a shocking development! What truths hide on the dark side of the moon? What are the true intentions of the aliens that are infiltrating America, Russia, and China? What is the true crisis that is closing in on Earth and what hope can we have towards the future!? (Source: HS Pictures Studio)

Valkyrie, Kazuto, Akina, Hydra, and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings. All seemed to be linked to a person named "Valkyrie Ghost" whose only goal is stealing Kazuto for herself. As they team up against this seeming unbeatable foe they dig deeper into the mysterious past of Valkyrie's home planet, Valhalla. (Source: ANN)