Yukimura and Himuro wear lab coats, as befits science-types, as they get ready to begin their date experiment. Kanade is there to watch over their date and record observations, but she can't help bursting in to tell them to buy date clothes. Both of them are wearing monitors for heart rate, blood pressure, and temperature, and they're using an app to record things like "times my heart raced," "times I felt happy," "times I felt relaxed," and "times I felt uneasy." Suddenly, a man appears and starts hitting on Himuro...!?
and express the "goodness" of the 
shoes as evaluation index E(x).
 E(x)ونوضّح "إمكانيّة" الأحذية على شكل مؤشّر 
.تقييم على النحو التالي
und bestimmen die Schuhgüte
als Kennzahl E(x).
y expresaremos lo "bueno"
como índice de evaluación E(x).
y expresaremos lo "bueno"
como índice de evaluación E(x).
calculons l’indice de valeur
E(x) des chaussures.
ed esprimeremo il "valore" delle scarpe
come indice di valutazione E(\i1x\i0).
para determinar a "qualidade" do sapato
via um índice de avaliação E(x).
и выразим качество туфель 
в виде индекса оценки E(x).