In a hidden realm known as the 'Otherworld,' filled with perilous creatures unbeknownst to ordinary people, one can only access its haunting landscapes through elusive gateways like secret elevators or shrine portals. After a chilling encounter with a terrifying Otherworld entity, Sorawo Kamikoshi faces a crucial decision: to persist in her exploration or abandon all hope. Concurrently, Toriko Nishina embarks on a quest through the Otherworld, driven by the desperate search for her missing friend, Satsuki. Their chance meeting sparks a deep bond as they navigate between the mundane world and the enigmatic realm, seeking to unravel its mysteries. As they delve deeper, both Sorawo and Toriko undergo profound transformations, mentally and physically, bracing themselves for the looming dangers in pursuit of their intertwined objectives.