Kotoko Hara is about to get married with the person she loves so much, Haru Sato. For six years, nobody knows she was carrying severe traumas that keeps on haunting her with several triggers around her. She is diagnosed with Massive Depression and Post-Traumatic Stress Disorder months after she encountered tragic relationship with her ex-boyfriend, Naoki Asa. He left her without any word, just like a movie. Everything was almost perfect not until they had their first high-school reunion.