Humans in the world. But they met. Kanzaki, a cleaner, met Natsuhara, a college student, and fell in love. In a moment he lied about being a student and became familiar with him, but Natsuhara had an absolute lover—Mazaki Tetsuma, a boss of a large company. Kanzaki wants to help Natsuhara, who is overrun by a ruthless iron horse, but Natsuhara despises him for looking into his affair. While hated by Natsuhara, Kanzaki started a live-in part-time job at the Mazaki family's villa with the introduction of Tetsuma. Tetsuma brings Natsuhara, who doesn't know anything, to that place... That summer, an incident will occur that will change the fate of everyone. Poor fake student vs psychopath son of a distinguished family x lover college student, suspense BL covered in secrets and lies!