Yukimura and the others will be giving presentations at the summer study sessions. There's less than a month left until the training camp, but Kosuke still hasn't picked a research theme. Professor Ikeda suggests research into "an algorithm that could instantly find the True End in any dating game." On the other hand, Yukimura and Himuro are focused on the hormone which is released when a person is touched by someone they love - oxytocin. By investigating the amount present in a person's saliva, they think they might be able to determine if the person loves the one who touched them, and they decide to immediately put it to the test with some close contact...
This hormone is activated 
by physical contact.
.يتمّ تفعيل هذا الهرمون عن طريق اللمس الجسديّ
Das Hormon aktiviert sich
bei physischem Kontakt.
La hormona se activa
por el contacto físico.
La hormona se activa
por el contacto físico.
Elle entraîne au contact physique
avec l’être aimé
Questo ormone viene attivato dal contatto fisico.
Esse hormônio é ativado
pelo contato físico.
Этот гормон выделяется 
при физическом контакте.