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"...
With a big chest, when you bring your 
bodies close, a gap is created,
،بوجود صدرٍ كبير، عندما يقترب جسداكما، يتمّ إنشاء فراغ
Mit großem Vorbau erzeugt man zwangsläufig
Distanz zwischen den Körpern.
Con un pecho grande,
hay un espacio al acercar los cuerpos
Con un pecho grande,
hay un espacio al acercar los cuerpos
Sa poitrine créait un espace
entre nos deux bustes,
Con un seno grande, quando ci si avvicina
si crea uno spazio vuoto,
Com seios grandes, quando você junta
os corpo, fica uma distância,
Из-за большой груди при физическом 
контакте образуется зазор,