A man living as a single father after separating from his wife. He drives his daughter, who attends piano lessons at a school where she receives care, to various locations such as performance venues for her teacher, a beautiful woman. One day, they find themselves engaged in a secret duet...! Meanwhile, a hardworking housewife struggles financially due to increased shifts at her part-time job to support her family. When the store manager offers personal assistance, she eagerly accepts. Note that recording contents may vary depending on the distribution method.