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.
What we must do now...
...ما علينا فعله الآن
Wir müssen nun
Lo que debemos hacer ahora
Lo que debemos hacer ahora
Ce que nous devons faire
maintenant,
Ciò che dobbiamo fare ora...
O que devemos fazer agora...
Сейчас же мы должны...