Tomomi was driving her son Daisuke when they got caught in a serious accident. As a result, Daisuke, who had been the ace of his soccer team, suffered a leg injury that shattered his dreams. After the crash, Tomomi deeply regretted that her own mistake had robbed Daisuke of his future, sinking into emotional darkness. Yet Daisuke, who had seemed closed off, gradually nurtured hidden feelings for her through their daily interactions. Those emotions finally surfaced during a winter hot springs trip, when he confessed. Tomomi accepted his feelings, and the two began building a new, intimate relationship.