Kozuki Mai is an elementary student who wants to be a magician and perform in her family's "Magicarat" magical act; however, she is too young, and her magic skills are not very good. Then one day, she encounters a ball of light that was put into a stuffed doll of flying squirrel, bringing it to life and somehow giving her the power to turn in to the 18-year-old magician "Magical Emi." As Emi, Mai was able to join the magic act. But she must keep her identity a secret from her family and from her crush.

Summary of the Mahou no Star Magical Emi series.

An OVA that both summarizes and continues the Mahou no Star Magical Emi TV series.

Kazuki Mai, an elementary schoolgirl, wanted to be a magician but her skills weren't good enough for here to join her grandparents' Magiccarat troupe. One day she sees a light enter a strange heart-shaped mirror. The light is actually a mirror fairy named Topo, who takes over her favourite stuffed toy, a flying squirrel and gives her a bracelet with the 4 card suits. The bracelet can turn into a bubble wand which transforms Mai into the 18 year old magician Magical Emi, who uses her magic to help people and participate in her grandparents' shows.