Mitsuri works at the café owned by her boyfriend and struggles every day to create new menu items and earn his approval, only to face cruel criticism and personal attacks. Emotionally worn down, she is touched by a male coworker who listens to her complaints and treats her kindly. After they both miss the last train, they spend the night together and cross the line. She forgets her boyfriend and fucks another man until morning in a grounded drama about a vulnerable woman falling for genuine tenderness.