Hayato, a skilled espionage master, embarks on a new mission at Familia Shared House, a deceptive hideout designed to convert enemy agents. Unexpectedly, his childhood love, Seraphy, emerges as the initial tenant, her grown-up allure capable of causing global chaos. As espionage intertwines with desire, Hayato finds himself in a web of intrigue, pitting his wits and passions against a bevy of alluring undercover operatives vying to partake in the exhilarating game.