Ichika goes home with her husband during the summer vacation at work. Hometown after a long absence ... A peaceful and nostalgic scenery where you can't feel the murderous urban air at all. Ichika happens to encounter Kazuya, a former boyfriend, while walking along the footpath near her parents' house with her husband. The worst ex-boyfriend who is the exact opposite of her husband ... Because I met again, it will be an unforgettable summer for Ichika ...