Misa Fujisawa (Mone Kamishiraishi) had just graduated college and started working when she had to leave her job due to her PMS (Pre- Menstrual Syndrome). She gets a new job at a small company named Kurita Optics. The people there are understanding of her symptoms, and she manages to keep her job. A new employee named Takatoshi Yamazoe (Hokuto Matsumura) comes to work there, and on a day when she’s having PMS, he does something small that makes her explode with anger. It turns out that Yamazoe also suffers from panic disorder, which forced him to give up on the life he had and reorient his life around living quietly and making sure his symptoms didn’t reoccur. One day, Yamazoe has a panic attack at work and can’t find his medicine. It’s Misa who finds it and gives it to him. She’d been given the same medicine for her PMS symptoms, so she comes to learn about his disorder. She opens up about her own illness to him as well, and offers to help him. At first, he’s reluctant to accept her he