Kyōji Tōsaka, late father of Junya and Akari Tōsaka, remains an enduring force within the Rhapsody music label’s legacy. A legendary rock singer during his lifetime, his artistic vision and personal history anchor the label’s origins, crystallized in its defining motto: “Rock is a story of grief and hope.” The prequel voice drama *Rhapsody Episode 0* delves into his pivotal role in founding the label, his dynamic relationships with his children—particularly Junya, who later inherits leadership—and the reverberations of his untimely death. His absence fuels the project’s central themes of mourning, creative inheritance, and ambition, intertwining his family’s struggles with the label’s identity long after his passing.