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?!
Onii-chan, hold on! Come back to your senses!
¡Hermano, espera! ¡Reacciona!
¡Hermano, espera! ¡Reacciona!
Shirô, attends,
reprends tes esprits !
Fratellone, aspetta! Torna in te!
Onii-chan, espera!
 Recupere os sentidos!