Eri Takami, stepmother of a deceased wife who resembles a first love NACR-866

Satoshi lives a harmonious life with his stepmother, Eri, and husband. One weekend, his wife, Hitomi, goes to a class reunion. While drunk, Satoshi confesses to Eri that from their first meeting, she reminded him of his first love, and that he has always cared for her. In their room alone, Eri, lonely after her husband's death, gradually accepts Satoshi's care…