Different Places, Different Sex

The place doesn't matter for a romantic relationship between men and women. A man and a woman in a romantic relationship meet in front of their girlfriend's apartment. Walking while walking. Two people have fun at the apartment playground. While talking about various things, you feel longing for each other and want each other. On the emergency stairs going down to the underground parking lot of the apartment in search of a place to love. Finding no one else and having a relationship confirming each other's love.