The kind-spirited Muramata holds a secret that no one at her workplace knows. Following yet another mistake made by her subordinate Kaji, the two head off from work to spend a stress-free night out drinking. Due to their usual lounge being closed for the night, at Muramata's suggestion, the office pair head over to her apartment.

While in the comfort of her own home, Muramata reveals to Kaji her "youthful foolishness," and the two discover the pleasures that Muramata's secret holds. Wrapped in lust, the duo inch closer towards realizing how powerful a connection can be made through a shared confidence. Can Kaji keep this classified information between the two of them, or will word spread around the office like wildfire?

Her boss, Mr. Muramata, seriously considers her relationship with Kaji and decides to face her hesitation and anxiety about marriage. While worrying about his own position, age difference, and the eyes of those around him, he begins to realize his honest desire to be with Kaji. A story that depicts a deepening love pattern while searching for a form of love through the sweet and loving time of the two.