KAKE KARA HAJIMARU SAYONARA NO KOI

With her stern efficiency, Nao Yoshinaga 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! Note: Includes 6 extra chapters. — Description from AniList community (anilist.co).