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?!
Remember? Today's their birthday!
Heute haben sie Geburtstag,
das wisst ihr doch!
¡O-oigan, hoy es su cumpleaños!
¡Chicas, hoy es su cumpleaños!
Ehi! Oggi è il loro compleanno!
E-Ei! Hoje é o aniversário delas!