Shingo Wakagi - Shirakawa yofune AKA Asleep (2015)

SYNOPSIS
Terako (Sakura Ando) is a young woman without a job. She has an affair with Iwanaga (Arata Iura) who is married. His wife is in a coma. One day, Terako’s friend kills herself. After that, Terako sleeps all day long and wakes up only when Iwanaga calls her.