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."
When I think that he might grow to 
hate me, it makes me so scared!
!عندما أفكر في إمكانية كرهه لي، فهذا يجعلني خائفة جدا
Allein der Gedanke, dass er mich
nicht mögen könnte, macht mir Angst!
Me da muchísimo miedo
pensar que pueda odiarme.
Me da muchísimo miedo
pensar que pueda odiarme.
J’ai si peur
que ce soit à sens unique.
Se penso che potrebbe finire
per odiarmi, mi viene tanta paura!
Eu me tremo de medo só de pensar
que ele poderia me odiar!
И представить страшно, что будет,
если он меня возненавидит!