The bond between two fathers who raised their daughters and sons on their own deepens, as they reveal for the first time secrets from their pasts.
| Actor | Role |
|---|---|
 Rika MariAi Saitô | Ai Saitô |
 Hana KanoHaruko Saitô | Haruko Saitô |
 Yua ImaiMinako Yamagami | Minako Yamagami |
| KKoji MakimuraTatsuhiko Yamagami | Tatsuhiko Yamagami |
| TTakahiro NomuraTsunehiko Yamagami | Tsunehiko Yamagami |
 Tarō ArakiHaruko's ex-husband | Haruko's ex-husband |