Summer! Swimsuits! The beach! Illya and the others enjoy the beach to fullest, playing along the shore and celebrating their birthday in a beach hut♪ But the popsicle seller they encounter there turns out to be the fierce foe they fought a hard pressed battle against... And to make matters worse, Ruby adds a Love Potion that makes Shirou go crazy! Will Illya's desires come to fruition in an unexpected way?!
Hmm, seems I made a mistake and injected him
Hm, hab ihm wohl aus Versehen
das Wahrheitsserum …
Parece que me equivoqué y le inyecté
Parece que me equivoqué y le inyecté
J’ai dû lui injecter
mon sérum de vérité…
Uhm, mi sa che ho fatto un errore e gli ho iniettato
il siero della verità che mi porto sempre dietro.
Hmm, acho que cometi 
um engano e injetei nele