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?!
Ever since then, my sister's had a frog phobia!
Seither hat meine Schwester
panische Angst vor Fröschen!
¡Desde entonces, mi hermana 
le tiene fobia a las ranas!
¡Desde entonces, mi hermana 
le tiene fobia a las ranas!
Depuis, ma sœur
a la phobie des grenouilles.
Da allora, mia sorella ha paura delle rane!
Desde aquele dia, a minha
 irmã criou fobia de sapos!