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?!
Don't badmouth my sister!
Red nicht so über meine Schwester!
¡No hables mal de mi hermana!
¡No hables mal de mi hermana!
Ne dis pas de mal de ma sœur !
Non parlare male di mia sorella!
Não fale mal da minha irmã!