Due to the debt left by his parents, Gin is compelled to take on an escort job as requested by the bill collectors of Tokugawa Group corporation. The student Hikari from Tokugawa Private Academy becomes Gin's client. Having had prior experience in part-time jobs, Gin is equipped with the requisite skills to ensure the safety of Hikari and the other escorts, Suke and Kaku. However, Hikari might have some secrets that he isn't revealing!