In order to prevent the novel's heroine from being revised, Yuu must perfect his love of little sister moe. Yuu and Suzuka both attend Sakura's radio program as guests, and Yuu begins flirting with Suzuka while on air as part of his training to become moe for little sisters, but...
Is it because your heart's 
going a mile a minute?
Weil dein Herzschlag
in die Höhe schnellt?
¿Es porque te late rápido el corazón?
¿Es porque te late rápido el corazón?
Ça veut dire
que je te fais de l’effet ?
Vuoi che mi allontani 
perché ti batte il cuore all'impazzata?
Isso é porque está empolgado comigo?
Ты боишься, что у тебя прихватит сердце?