With her stern efficiency, Yoshinaga Nao is known as the Ice Iron Lady of the company. One day, she overheard colleagues making a bet with Satomura that he could make Nao fall for him. Unbeknownst to them, Nao has had a secret crush on Satomura for all this time. The bet could turn out to be her best chance!
(Source: MangaUpdates)
~~ Adapted from the manga series "Kake kara Hajimaru Sayonara no Koi" (賭けからはじまるサヨナラの恋) written by Porun (ポルン) and illustrated by Watanuki Men (わたぬきめん).