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...
but if we flirt enough 
to forget we're pretending,
aber wenn wir genug flirten und dabei
vergessen, dass wir es nur vorspielen,
pero si flirteamos
para olvidarnos de los demás,
Pero si consigo abstraerme
del qué dirán,
mais je flirterai
au point d’oublier ce détail
ma se flirtassimo abbastanza
da riuscire a dimenticare che sto recitando,
mas se a gente flertar um com o
outro a ponto de esquecer disso,
но, если мы с тобой позаигрываем,