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."
Now that he mentions it...
...الآن وقد ذكر الأمر
Jetzt, wo er’s sagt …
Ahora que lo pienso…
Ahora que lo pienso…
En y repensant, une simple conversation
me rendait folle de joie ou de rage.
Ora che ci rifletto su...
Se bem me lembro...
А ведь если подумать...