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...
Permission to go have a little 
fun, within certain boundaries.
.الإذن بالاستمتاع قليلًا مع وجود بعض الحدود
Sich einigen Lüsten hingeben,
ohne Grenzen zu überschreiten.
Permiso para divertirse bajo ciertos
límites, lo que lo hace aún mejor.
Permiso para divertirse bajo ciertos
límites, lo que lo hace aún mejor.
Permission de vous lâcher un peu.
Vous êtes même encouragés !
Il permesso di divertirsi un po', entro certi limiti.
Permissão para se divertir
dentro de certos limites...
Можно позволить кое-что 
в разумных пределах.