When she was twelve years old, she and he met for the first time on the street. At that time, he was in a very embarrassed state. And she helped him with kind thoughts, but she didn't take it to heart about a small matter. However, he who originally wanted to die was ignited with the hope of living because of her bright and warm smile and eyes as bright as stars, and he had the urge to protect this smile in this life. He remembered her deeply, but she forgot him... But when he reappeared in front of her with a strange identity, what kind of sparks could they create?