Before finding himself in Tortus, Hajime's journey, another adventure was unfolding involuntarily by the Synergist Oscar Orcus. A humble laborer dedicated to earning a living and aiding an orphanage, Oscar's tranquil routine is shattered when Miledi Reisen abruptly enters his world. She implores Oscar to embark on a mission to vanquish the divine beings. Initially hesitant to embrace such peril, Oscar's stance shifts when danger inevitably seeks him out.