At long last, it's the first day of the summer training camp. On the plane, Yukimura presses close to Himuro and tries to collect her saliva in spite of the surrounding gazes. Manga artist Yamamoto observes them with an eerie smile. On the beach in Okinawa, the midsummer sun shines down on Yukimura and Himuro in their swimsuits, and they immediately attempt to begin their close physical contact experiment. However, since they're doing it, they choose to seek "the position which offers two people having close physical contact the greatest contact area"...
they should seek a position which 
offers the greatest contact area.
.يجدر بهما إيجاد وضعيّة توفّر أكبر منطقة للتلامس
sollten sie eine Position wählen, die eine
möglichst große Kontaktfläche erlaubt.
deben buscar una posición
que ofrezca la mayor área de contacto.
deben buscar una posición
que ofrezca la mayor zona de contacto.
trouvez la position
offrant le plus de surface de contact.
dovrebbero cercare una posizione
che offra la maggiore area di contatto.
devem buscar uma posição que
ofereça a maior área de contato.
необходимо положение с максимальной 
площадью соприкосновения.