Hazuki clips her nails every time it rains. She caressed herself with these fingers back then. Hazuki, an editor of a publishing company now, is attracted by Shiori, the head of planning.

Hazuki, who has been timid about love due to past trauma, secretly harbors feelings for her boss, Shiori, whom she admires. On the other hand, the dignified Shiori is also troubled by her relationship with her husband. One night during a heavy rainstorm, the two cross the line by getting physical with each other as if to fill the gap in their hearts.