My brother, who works as a researcher at a pharmaceutical company, has always dreamed of pursuing his career abroad. His dream finally came true when he was scheduled to go to Europe next month. As he prepared for his departure, my sister and I kindly allowed him to stay at our place until then. She supported her pure-hearted husband wholeheartedly while they both cheered for their kind-hearted younger brother. However, one day, during some housework, she found herself alone with her brother. To her surprise, he confessed his longtime crush on her and proposed marriage...