| Natsumi is a literary editor married to a man who works at a rival publishing company. The childless couple spends their days working hard until he confesses that he’s having an affair. Though heart-broken, Natsumi meets a young post office worker and falls in love. This stylish love tale uses the alphabet to explore romance, marital stress, and the career woes of a woman in her 30s – from A2Z. | 
| Name | Character | Episodes | 
|---|---|---|
| Kyoko Fukada | Sawano Natsumi | 10 | 
| Nene Otsuka | Tokita Jinko | 10 | 
| Ryota Katayose | Sakagami Shigeo | 10 | 
| Jeff Hiller | Comedian Panelist | 1 |