Due to the second marriage of her mother, lively high-school student Amamiya Matsuri becomes the younger sister of the super popular idol group of triplets "Terzetto"!...
Due to the second marriage of her mother, lively high-school student Amamiya Matsuri becomes the younger sister of the super popular idol group of triplets "Terzetto"! Star celebrities for stepbrothers?! A forbidden secret love with a perfect prince ★
