Mahou no Princess Minky Momo vs. Mahou no Tenshi Creamy Mami

魔法のプリンセスミンキーモモvs魔法の天使クリィーミーマミ

Shown as a bonus movie with the theatrical screening of Mahou no Tenshi Creamy Mami: Long Goodbye and Mahou no Princess Minky Momo: Yume no Naka no Rondo. (Source: AniDB)