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...
The swimsuit episode you get once a season.
.حلقة ملابس السباحة التي نحصل عليها خلال كلّ موسم
Die Strandfolge,
die bei keiner Serie fehlen darf.
El episodio de trajes de baño
de la temporada.
El episodio de bañadores
de la temporada.
Ce n’est qu’un chapitre par saison !
L'episodio in costume da bagno 
che c'è una volta a stagione.
O episódio de biquíni que
tem em toda temporada!
Уникальная глава с купальниками.