Though Yukimura and Himuro went as far as to kiss for the experiment, they were soundly beaten by Chris and Suiu's oxytocin levels in their saliva. Panicked, Yukimura suggests that they conduct control experiments. However, in the midst of the Yukimura/Suiu pairing, Suiu's seductive manner ends up causing Yukimura to ogle her charms. Seeing that, Himuro runs another experiment with Yukimura, but ends up sulking. The two end up having a lover's quarrel. Yukimura's behavior causes Chris to look down at him coldly and say, "As a man, you are a failure."
Our oxytocin levels are already 
in a perilous state, and yet...
...مستويات الأوكسيتوسين خاصتنا في مستوى خطر سلفا ومع ذلك
Unsere Oxytocin-Werte sind
bereits gefährlich niedrig …
De por sí nuestros niveles de oxitocina
están peligrosamente bajos
De por sí nuestros niveles de oxitocina
están peligrosamente bajos
Seulement,
tu m’as l’air plus préoccupé par Suiu
I nostri livelli di ossitocina sono già
in una situazione rischiosa, eppure...
Nosso nível de oxitocina já está
num estado crítico...
Наши уровни окситоцина и так
угрожающе низкие, и всё равно...