In the dark, fate is like an invisible rope, binding everyone. But it was him who held up pure love with his blood-soaked hands, and it was she who washed away the loneliness of despair with her pure soul. They strive to break out of the cage of fate, take control of their lives, and realize the value of survival. The mercenary and the girl who was inexperienced in the world, the body riddled with holes and the pain of leukemia, the meeting and acquaintance that year, the shocking changes that followed, the vicissitudes of that year