A drama with 100% synchronicity with the extremely tolerant Ai Sayama has been born! While hospitalized, he meets the person he had a crush on in his school days. He is shocked by the unexpected situation, but it seems that she has married and is now a family man. He wasn't expecting anything, but... Just then, she blurts out, "Actually, I've been thinking about you." It turns out that they were mutual, and the love that never came true in their school days begins to move forward for one month only.