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.
This is exactly what you'd 
call a "Truly Happy Ending"!
"!هذا ما يمكن تسميته بـ"نهاية سعيدة حقا
Das ist ein „True Happy Ending“
wie aus dem Bilderbuch!
¡Esto sí que es un final feliz!
¡Esto sí que es un final feliz!
On pouvait pas rêver
d’une meilleure fin !
Questo è un vero e proprio "true happy end"!
Isso é o que chamamos
de final feliz de verdade!
И это самый настоящий хэппи-энд!