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...?!
a kiss between two girls isn't 
really a kiss. It doesn't count.
قبلة بين فتاتين لا تعتبر قبلة
 .بمعنى الكلمة لذا فهي لا تحسب
Ein Küsschen zwischen Mädchen
ist kein echter Kuss. Der zählt nicht.
Un beso entre chicas no cuenta.
Un beso entre chicas no cuenta.
Ça compte pas vraiment,
entre filles.
un bacio tra ragazze non è davvero un bacio. Non conta.
Beijo entre garotas não é
tão sério. Não conta.
поцелуй между девушками — не настоящий 
поцелуй. Он не считается.