After finishing a business trip and walking home, the protagonist notices a woman who dropped her handkerchief. He quickly picks it up and calls out to her. When she turns around, he's shocked to realize she's Yui, his ex-girlfriend with whom he ended a long-distance relationship seven years ago. The two are stunned by this unexpected reunion. Suddenly, heavy rain begins to fall, marking a turning point in their fate. The phrase "lit matches catch fire easily" means that once-burned wood ignites quickly again, symbolizing how former lovers can easily rekindle their relationship. This work focuses on the dynamics between men and women and the drama of reunion, delivering an emotionally charged love story. Beginning with the protagonist's reunion with Yui, this touching tale of renewed romance offers a heartfelt narrative and warm development that deeply moves the audience.