If you're looking for anime similar to Frozen II: The Manga, you might like these titles.
Stitch is kidnapped by space criminals who want to use him to have their own destructive genetic experiment. However, he escapes to China's Huangshan mountains, where he befriends Ai, a spirited local girl who is at risk of being separated from her older sister Jiejie. Stitch becomes Ai's "dog", and the two help one another dealing with the other's problems; Ai helps Stitch deal with the space criminals, while he helps her stay in the mountains with her family.
Having had his Good Deeds counter drained by the villainous Dr. Hamsterviel, Stitch must now do forty-three more kind acts before he can have his wish of becoming the strongest in the universe. To achieve this goal Stitch finds himself in a variety of big adventures, often involving his friends and his cousins – the other experiments. Can Stitch manage to complete his deeds and have his wish granted?
In the story, a mysterious giant tank rocket begins stealing resources from various planets. On Earth, Yūna and Boogoo get involved in the incident and disappear. In order to save Yuuna, Stitch teams up with Tiira.
When evil genius scientist Dr. Jumba's creation - the blue, troublemaking creature known as Stitch - escapes and crash lands his spaceship on Earth, he quickly finds himself in young Yuuna's life. Together with Yuuna and her mother, Stitch explores and experiences the island that they call home, running into mischievous spirits along the way. And when Dr. Jumba himself and Earth studies expert Wendy Pleakley arrive at the planet to watch over Stitch, things become a lot more interesting!
To confront a planetary war at the sand planet of Katuuna, Stitch! must leave Yuuna and Earth behind.
The new series continues the story of the alien creature Stitch and its human friend Yuuna. However, Yuuna moves from Izayoi (a fictional island in southern Japan) to New Town (a fictional town in Okinawa), and she transfers to a new school.