@TwinkleTwinkle from the 4 albums I've heard I'd say, A Boy - A Girl l, One Summer Lonely, 砂にたてたキャンドル, 水に落ちたヴァイオレット, 瞳のInnocent, and はじめてのデリケ-ト. These are some of favorites! I also wanna see the show Sukeban Deka 3 but no fan translation for English