Yasuhiro Masaoka

Yuichi is a freeter who has lazy days. He receives an allowance from a woman that he lives with. Tomoko is a housewife. Yuichi and Tomoko meet through an online dating website. They become involved in an intimate relationship, but their lives are about to be shaken by an incident.

Junior high school student Yuna lives with her father Toshiharu. Her mother Akemi moved to Naha when her older sister entered high school, and Yuna is worried about her father's life after she leaves.