Ibarada suggests that one of the greatest factors in the base conditions of romantic love is "whether or not you want to kiss the person," so Yukimura decides to try to kiss Himuro. However, Himuro doesn't like the idea of a kiss where the exact angle is measured with a protractor.  When Himuro realizes that if the mood were more like it had been in the Ferris wheel, she might not mind a kiss, she and Yukimura create an equation to numerically define "mood value." In what location might the "mood value" be highest? And will the two of them be able to kiss...?!
We've determined it's the roof of 
the joint research tower at dusk!
!قرّرنا بأنه سطح برج البحث المشترك وقت الغسق
Das Dach des Forschungsturms
beim Sonnenaufgang!
Abbiamo determinato che è il tetto
della torre di ricerca congiunta al tramonto!
Determinamos que é o terraço da
torre de laboratórios ao pôr-do-sol!
Мы проведём эксперимент на крыше 
исследовательского корпуса на закате!