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...
Onii-chan needs to do his special training. 
He doesn't have time to be on your radio show.
Onii-chan muss sein Spezialtraining absolvieren.
Er hat keine Zeit für deine Radioshow.
Mi hermano necesita entrenar,
Mi hermano necesita entrenar,
Yû doit s’entraîner,
il n’a pas le temps d’aller à la radio.
Il mio onii-chan deve fare l'allenamento speciale,
non ha tempo di partecipare a radiotrasmissioni!
O Onii-chan precisa treinar,
Ему нужно тренироваться, 
у него нет времени на твоё шоу.