| Narumi Yamaguchi, a single woman who enjoyed her independent life, suddenly started dating after her admired aunt died alone. After failing to find a partner and being bluntly told by her younger colleague Yuya Nasuda that "marriage security is outdated thinking", she shifted focus from marriage hunting to end-of-life planning. |
| Name | Character | Episodes |
|---|---|---|
| Haruka Ayase | Narumi Yamaguchi | 6 |
| Sayaka Yamaguchi | Mitsuko Yamaguchi | 6 |
| Shinnosuke Mitsushima | Kentaro Kawakami | 6 |