At the Okinawa training camp, Yukimura and Himuro shared a kiss of the highest theoretical value on a bridge of the greatest mood value under the beautiful, painterly rays of the morning sun. But the amount of saliva they collected was insufficient and so retesting is required. They head to the biological sciences' Regulation of Biological Systems Department to meet with a specialist in saliva testing. There, they find an alluring woman dressed like a traditional courtesan wearing a lab coat, Suiu, and her sweetheart, Chris. When Yukimura asks Suiu and Chris to help with their experiment to "give proof of love," Chris and Suiu flaunt their overwhelming aura of love.
But it's not like giving me sweets will 
always make me immediately happy.
.لكن ليس وكأنّ منحي الحلويات سيجعلني أشعر بسعادة دائما
Süßigkeiten stimmen aber
nicht automatisch glücklich.
mais je ne suis pas
une espèce d’animal
Ma non è che darmi dei dolci
mi renda sempre subito felice.
mas não vou ficar feliz
imediatamente por ganhar um!
Но я не стану мгновенно счастливой,
если дать мне конфетку.