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...?!
Can something as insubstantial as "mood" 
really exert such a strong influence?
"أيمكن لأمر دون قيمة مثل "المزاج
أن يكون له تأثير عالٍ هكذا؟
Kann ein so weicher Faktor wie „Stimmung“
wirklich so ausschlaggebend sein?
¿Algo tan insustancial
puede tener tanta influencia?
¿Algo tan insustancial
puede tener tanta influencia?
Tu penses qu’une chose si impalpable
peut avoir autant d’influence ?
Qualcosa di inconsistente come l'atmosfera
esercita davvero un'influenza così forte?
Algo tão imaterial como "clima" pode
exercer uma influência tão grande?
Неужели столь несущественный параметр 
оказывает сильное влияние?