少女亞子透過鏡子就能變身成任何模樣。初期是設定為一面大鏡子，只要對著鏡子念出咒語就能變身，動畫中則改為可隨身攜帶，類似貝殼型狀的變身盒。 故事內容主要是圍繞在主角與周遭的人們所發生的一切事件，透過變身能力解決他人的困難。
Episode Director (Assistant Episode Director: eps 48, 91, 94)
Script
Theme Song Performance (OP)
Key Animation (ep 50-51 )
Character Design
Animation Director
Episode Director
Episode Director (eps 34, 38)
Episode Director, Animation Director
Episode Director
Script
Script, Screenplay
Animation Director
Key Animation (ep 45, 57)
Animation Director (eps 44, 61)
Episode Director
Animation Director
In-Between Animation
Assistant Director
In-Between Animation
Script (eps 4, 13, 17, 21, 35, 51, 68)
Theme Song Performance (ED)
Episode Director (eps 6, 52, 54, 66, 73, 80, 86)
Animation Director
Music
Animation Director
Original Creator
Key Animation (44, 61)
1969年 季度排名 #1
1969年 動畫總排名 #31