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...?!
they're all "places without a lot of people 
where the two can be alone," perhaps.
هو كونها "أماكن لا تحتوي على الكثير من الناس حيث يمكن
 .لشخصين التواجد بمفردهما" على الأرجح
dass es niedrig frequentierte Orte sind,
an denen man unter sich sein kann.
que son lugares sin mucha gente
donde se puede estar solo.
que son sitios sin mucha gente
donde se puede estar a solas.
c’est que les sujets
sont seuls, non ?
che sono tutti "posti con poca gente
dove i due possono stare soli", forse.
todos são lugares com pouca gente,
onde podem ficar sozinhos.
«вокруг мало людей и двое 
могут остаться наедине». Возможно.