Yuka, a wife, is introduced to Tabuchi, the owner of a bar that her husband frequents, by his wife. She opens up to Kokoro because of his gentle demeanor, but... one day, Tabuchi comes to the house to return the cell phone that her husband left at the bar. Feeling lonely as a single man, Tabuchi is Kokoro to Yuka's kindness and ends up forcibly pushing her down... Even though he was forcibly, Yuka feels pleasure from sex for the first time in a long time. The emotions that rise up unconsciously slowly begin to take over her body...