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...
I need to show a huge audience 
that I find little sisters moe.
Ich muss einem breiten Publikum beweisen,
dass ich kleine Schwestern moe finde.
Mejoraré el moe
de hermanitas frente al público.
Mejoraré el moe de hermanitas
en público.
Je vais montrer aux gens
que j’adore les petites sœurs.
Così potrò mostrare che trovo moe le sorelline
a un pubblico numeroso.
Eu preciso me forçar a mostrar
moe por irmãzinhas em público.
Я расскажу всем, что мне нравится
 в младших сёстрах.