Key to The Heart [1972] ｜ ｜ ｜―Magic Square [1976] ｜ ｜ ｜―Energy Square [1984] ｜ ｜ ｜―Secret Energy [1992] ｜ ｜ ｜ ｜―Serenata [1997] ｜ ｜ ｜―Quick to the Mint [1993] ｜ ｜ ｜―Splendid Gift [2004] ｜ ｜―Key to the Trophy [1980] ｜ ｜ ｜―Mari's Key [1990] ｜ ｜―Key to the River [1985] ｜ ｜ ｜―River Hill [1996] ｜ ｜ ｜―Duel [2008] [2010-10-31 ITY-III グイドベラルデリ賞] ｜ ｜―Latch Key Lady [1992]