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"...
if the front of the body and under 
the arms are held closely in a hug,
،لذا إن تمّ احتضان مقدّمة الجسد وما تحت الذراعين
Wenn die Front und die Arme
bei einer Umarmung aneinander geraten,
así que si el frente y bajo los brazos
están unidos en un abrazo,
así que si os dais un abrazo
de frente y bajando los brazos,
Supposons qu’une étreinte de face,
les deux bras autour de la taille,
quindi un abbraccio che coinvolge 
sia il torace che la parte interna delle braccia
então, num abraço que abrange
a parte da frente e sob os braços,
Если прижаться передними поверхностями, 
обхватив друг друга руками,