Stay With Me Till The Dawn

Original title: 夜明けまで離さない

Directed by Toshiyuki Morioka

In order to support her son, single-mother works at a bar that operates an undisclosed adult entertainment business. One day, Ishioka Kazuya comes into the store as a customer, but Ishioka never sleeps with her, and instead just looks at the scenery outside the window.