In the world of S&D Securities, a team of highly skilled professionals known as the 4th Guard operates, specializing in combat and intelligence. When a bold and reckless youth named Yuuki becomes fixated on the intelligence manager, Taki Keiichi, their paths become intertwined. Despite Yuuki's relentless pursuit to join the team after Taki's run-in with the yakuza, Taki offers him a role as a personal bodyguard, leading to a dynamic where Taki grapples with conflicting desires. Meanwhile, in Volume 2, the top-ranking beauty of the Intelligence Department, Kogami Shinobu, navigates his partnership with the laidback bodyguard, Miharu