Ichika takes advantage of her summer vacation from work to return to her hometown with her husband. ItIchika she's been back home... the scenery is peaceful and Kokoro, with no trace of the bleak city air. Ichika and her husband are walking along a footpath near her parents' house when she accidentally encounters her ex-boyfriend, Kazuya. He's the complete opposite of her husband, the worst ex-boyfriend... their reunion makes for an unforgettable summer for Ichika...