Aoi Morita, in her third year at an advertising company, spends her days feeling constantly nervous towards her section chief, Tomonari Kurosawa. As he rarely shows his emotions and speaks in a straightforward manner, he is feared within the company.
One day, while riding the elevator with Kurosawa, Aoi is teased by her director about her height, which she is her complex. Just as she is about to endure the situation in silence, Kurosawa unexpectedly steps in and defends her with a surprising remark. Since then, Aoi has become curious about Kurosawa and wants to know more about him. However, keeps a distance from "love", which could become a potential troublesome source of human relationships.

As people grow older, they become more hesitant to take risks in love due to overthinking. Yet, they still find themselves falling in love. This definitive edition of "pure adult romance" set in an office, featuring six men and women, unfolds a bittersweet and tantalizing love story.