You are reading That Man’s Secret Day manga, one of the most popular manga covering in Drama, Fantasy, Manhwa, Manhwa, Romance, Shoujo genres, written by at MangaBuddy, a top manga site to offering for free. That Man’s Secret Day has 18 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add That Man’s Secret Day to your bookmark. Read manhwa That Man's Secret Day / / Haru works for a company that specializes in breaking up with people on behalf of their clients. One day, she mistakenly breaks up with the wrong person, who turns out to be her boss, Woo-Hyun. This mix-up leads to Woo-Hyun actually breaking up with his real partner. Feeling guilty, Haru is surprised when Woo-Hyun makes a proposition to her: "Let's date for one year."