Ryoma Shiba, a struggling college student in need of a high-paying part-time job, crosses paths with Himeno Kashiwagi, a woman who claims disinterest in romance but secretly yearns for a connection. Through mutual acquaintances, they learn of the 'Lover's Agent' service and decide to give it a try, leading to a scheduled date. Meeting for the first time on the day of their arranged outing, they experience nervous yet enchanting moments holding hands and sharing tapioca, resembling a genuine couple. However, a complication arises when Himeno's friend uncovers the rented nature of their relationship, prompting Ryoma to fabricate that they are truly dating. As Ryoma assumes the role of her fake boyfriend, Himeno's heart flutters in this unexpected tale of love born from a contractual arrangement.