Twilight, also known as Loid Forger, is a highly skilled spy working for Westalis. While he excels in missions requiring intelligence and agility, he often struggles with his personal feelings and the facade of a normal family life. Underneath his cool exterior, Twilight is deeply committed to his mission to maintain peace, which leads him to adopt a false identity and create a family with an assassin wife and a telepathic daughter. Despite his secretive nature, he finds himself unexpectedly caring for his 'family' and grappling with the complexities of their relationships. His dual life reflects the challenges of balancing duty and personal connections, making him a compelling character in the world of espionage and family dynamics.