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...
By the way, I often write with my 
little sister in my lap like this,
Übrigens schreibe ich oft so
mit meiner kleinen Schwester auf dem Schoß,
Suelo escribir con mi hermanita
en mis rodillas
Suelo escribir con ella
en mis rodillas
D’ailleurs,
je rédige en la prenant comme ça,
Comunque, capita spesso che scriva
con mia sorella sulle ginocchia,
Aliás, eu coloco ela no meu colo, assim,
Кстати, во время работы 
я сажаю сестру на колени,