Miracle Hime Jubilee  

Miracle Princess Jubilee, みらくる姫ジュビリィ

The main character of Miracle Hime Jubilees is a princess from planet Keyhole who goes on an adventure using a UFO. She lands on Earth but accidentally leaves behind the key to her spacecraft, causing it to malfunction and stranding her. To fix this issue, she must work with a boy named Kiichi Masuda to recharge the key's energy by unlocking various locks on Earth.