Tsubaki, who wanted to escape from her cold married life, accepted an invitation from her colleague Kazuma, whom she happened to meet after work. She stepped into the single man's studio apartment, thinking it would just be a change of pace. Tsubaki was nervous the whole time by the scent of a man other than her husband. 'I shouldn't be doing this after all.' Just as she was about to get up and leave quickly, Kazuma gave her a passionate confession. Even though she had to refuse, Tsubaki's heart was filled with joy...