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.
For the first time tonight.
للمرّة الأولى اللّيلة
Probabilmente per la prima volta.
Впервые за сегодня.