|This game, video game or software features adult themes and/or content, and this article may make reference to that content for encyclopaedic purposes.|
Doushin-Same Heart (同心～三姉妹のエチュード～ Dōshin ~ Sanshimai no Ecūdo? in Japan) is a 2000 sex & dating visual novel video game by Crowd, for the PC. It was originally released on April 21, 2000 in Japan, but finally ported to the US six years later on May 24, 2006.
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