If you're looking for anime similar to Aola Star: Parallel Universe, you might like these titles.
Chris was a typical boy whose only real problem was getting into a good college; that is, until he was suddenly sucked into Byston Well, a place between Heaven and Hell. With his body stuck in Japan, his soul must now help protect the Metomeus tribe from the tyranny of the Ashigaba tribe. Armed with Garzey’s Wing – wings of light which distinguish his role as a holy warrior – Chris will do whatever it takes to protect the maiden Hassan and her people, while keeping his own body and soul intact!
As Yuta dreams of owning the treasures of Dunhuang, he is miraculously transported there. The treasures he discovers are not what he imagined them to be.
Singing lips appear in the television set of three men and lures them into it. What strange things will they find in these new and colorful places?
A bratty girl named Mia is given a book, Thumbelina, which upon reading she is shrunk and transported into the world of the book. She embarks on a journey to return home, and to normal size making friends and learning lessons on the way, but that's only the beginning of her adventures.
Mia is a young girl with a knack of getting herself into trouble. One night, her mother falls asleep while reading "Thumbelina" to her, Mia is magically transformed into the two-inch tall character. As she journeys through "the Unknown Country of Wonderland," Mia will be forced to overcome obstacles that helps her grow into a person.
Genshin Impact takes place in the fantasy world of Teyvat, which is home to seven nations, each of which is tied to a different element and ruled by a different god. The story follows the Traveler, who has traveled across countless worlds with their twin sibling before becoming separated in Teyvat. The Traveler travels in search of the lost sibling with their companion Paimon and becomes involved in the affairs of Teyvat's nations.
Series protagonist Wataru, who goes to the world Soukaizan in response to a call about an incident there. An evil presence shrouds the area, and the robot Ryuujinmaru's power has been sealed. Together with his friends Shibaraku, Toraou, and Himiko, Wataru begins a new journey.
Throughout history, the Mask of Zeguy has stayed safe from the hands of those who would misuse it with the help of two Time Warriors named Gennai Hiraga, and Toshizo Hijikata (leader of the Shinsengumi). For centuries they have traveled through time to protect it, but are now faced with a powerful adversary: the evil Himiko, who has stolen the Mask for its power. Meanwhile, two young girls have been sucked into Himiko's world through a dimensional gate, leaving them stranded! Little do they know they may be the key to saving the world -- and all of time -- from destruction…