Swimmers Akio and Natsuko train hard for national competition while Natsuko struggles with family chaos — her father’s affair and her mother’s push for an arranged marriage. Pretending to date teammate Akio to escape pressure, Natsuko soon realizes her feelings are real.
| Actor | Role |
|---|---|
 Akira TakaradaAkio Shimamura | Akio Shimamura |
| NNaomi ShiraishiNatsuko (Kintarō’s daughter) | Natsuko (Kintarō’s daughter) |
 Takeshi SakamotoGenkichi Ogawa | Genkichi Ogawa |
 Kingorō YanagiyaKintarō Tagawa | Kintarō Tagawa |
 Nijiko KiyokawaKiyoko (Kintarō’s wife) | Kiyoko (Kintarō’s wife) |
 Yū FujikiCoach Saita | Coach Saita |
| KKeiko MôriYoshiko Aida | Yoshiko Aida |
 Michiyo TamakiEmiko (Cabaret waitress) | Emiko (Cabaret waitress) |
 Atsuko IchinomiyaGenkichi’s wife | Genkichi’s wife |
| IIchiryusai TeihoIsohachi Yamamoto | Isohachi Yamamoto |
| YYayoko KitanoFumiko Kawano | Fumiko Kawano |
 Kiyomi MizunoyaMaid Matsu | Maid Matsu |
 Kunie TanakaNot listed | Not listed |