​Joko Kareki, also known as Codename: Noir Set, is a seasoned private home security officer with extensive military expertise. With his 20 years of military experience, he is exceptionally skilled in technology and intelligence gathering. Joko’s latest mission comes directly from his own father, Terao Kareki. Tasked with protecting his father’s new lover, a potential bride, Joko spares no effort in providing top-notch professional security to ensure her safety. However, within the confines of her home, Joko’s watchful eyes capture every minuscule detail. Discover the captivating story as Joko navigates his duty while unraveling the secrets hidden behind closed doors.​