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...
You're acting a bit out 
of the ordinary, Sensei...
Du verhältst dich etwas
ungewöhnlich, Sensei …
También estás algo diferente…
También estás algo distinto…
Depuis tout à l’heure,
vous êtes un peu bizarre…
Oggi si sta comportando in maniera un po' strana...
Você tá meio estranho...
Вы себя сегодня как-то странно ведёте...