After losing his parents years ago, Shinji has grown up in an orphanage while nurturing plans to build a life with his childhood friend Sae. His routine is upended when a maid named Zero arrives with startling news of his grandfather’s vast business and the expectation that he step in as heir. Unwilling to set aside his own future, Shinji discovers a narrow way out that hinges on locating one particular young woman. In this first episode, the sudden revelation forces him to weigh duty against the promise he hopes to keep with Sae.