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'll flirt with you as much as I can.
Ich flirte so viel es geht mit dir.
Flirtearé mucho contigo.
Tontearé contigo un montón.
Je vais draguer à mort.
Flirterò con te più che posso.
Vamos flertar muito.
И я приложу все усилия.