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."
But for oxytocin to be 
produced between two females
لكن أن يفرز الأوكسيتوسين من اتصال امرأتين
Es könnte die Liebesexperimente stören,
Pero que dos mujeres
secreten oxitocina juntas
Pero que dos mujeres
secreten oxitocina juntas
Simplement,
d’un point de vue expérimental,
Ma produrre ossitocina tra due donne
potrebbe essere un problema
Mas a produção de oxitocina
num contato entre garotas
Но выделение окситоцина
при контакте двух девушек