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 why do you need training 
on little sister moe?
wozu also brauchst du Training,
um das Moe kleiner Schwestern zu verstehen?
¿por qué necesitas entrenar
tu moe de hermanitas?
¿Por qué necesitas entrenar
tu moe de hermanitas?
Alors pourquoi tu dois suivre
cet entraînement ?
perché avresti bisogno di allenarti?
então por que precisa
fazer esse treinamento?
Так зачем тебе
нужна была эта тренировка?