High school student Yuta Asamura begins living with his stepsister Saki Ayase and her mother due to his father's remarriage. Both Yuta and Saki, who hold cautious values regarding relationships between men and women, agree to live with an appropriate sense of distance between them.
Since we're going to start living together,
،بما أنّنا سنبدأ بالعيش معاً
Ich hatte schon Angst,
dass wir jetzt mit
Viviremos juntos a partir de ahora.
Vamos a vivir juntos a partir de ahora.
On va devoir
vivre sous le même toit,
Mi chiedevo cosa avrei fatto 
se le persone con le quali vivrò
A gente vai morar juntos
a partir de agora,
Я беспокоилась, что, может быть, теперь