{L’ / *une/ *les} expression(*s) de ces sentiments par Satsuki et Yui nous font palpiter le coeur !11
{the.SG / *a/ *the.PL} expression(.*PL) of these feelings by Satsuki and Yui us make thrill the heart
{The expression(*s)/*an expression} of these feelings by Satsuki and Yui make our hearts thrill!