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...
It used to be impossible for 
me to play little sister roles.
Es war mir nicht möglich,
die Rolle einer kleinen Schwester zu spielen.
Para mí era imposible
hacer papeles de hermanitas.
Para mí era imposible
hacer papeles de hermanitas.
Avant,
Inizialmente per Sakura era impossibile
interpretare il ruolo di una sorellina.
Eu não conseguia dublar
papeis de irmãzinhas.
Раньше я не могла играть 
роли младших сестёр.