This is an 1-episode OVA that takes place during the second TV season of DoReMi. Apprentice witch Doremi is in for some trouble, as her little sister takes away a magical flower from the Witch Queen's garden. Not knowing about the flower's magical powers, she accidently turns Doremi into a mouse and makes her lose her magical powers. But of course Doremi's fellow apprentices and friends head out to help her.<br />