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...
so it's only natural I'd help out 
with Sensei's special training.
natürlich helfe ich ihm
bei seinem Spezialtraining.
es normal que me una
a su entrenamiento especial.
es normal que me una
a su entrenamiento especial.
Normal que je tienne à l’aider.
quindi è naturale che voglia aiutarlo
in questo allenamento speciale.
então é natural que eu
ajude em seu treino.
Мой долг — помочь учителю
в его исследованиях.