Yukimura is working hard on his computer, as usual, when Himuro suddenly says, "I am in love with you. Her confession greatly shakes Yukimura. Unlike the last time, Himuro states her feelings matter-of-factly. Yukimura asks, "What theory did you use to determine that you love me?" Himuro replies by taking Yukimura out on a date and begins performing experiments they've done before such as measuring heart rates, using an emotion counter, collecting saliva, and the kiss experiment.
The hush of night didn't 
even reach 20 decibels.
.سكون الليل لم يصل لقيمة 20 ديسيبل حتى
Die Geräusche der Nacht
erreichen nicht einmal 20 Dezibel.
el silencio nocturno
que no ha de superar los 20 decibelios.
el silencio nocturno
que no ha de superar los 20 decibelios.
L’endroit était silencieux,
tout au plus 20 décibels.
La quiete della sera
non raggiunge nemmeno i 20 decibel.
O barulho da noite não chega
nem a 20 decibéis.
Ночной уровень шума
не превышает 20 децибел.