In this episode, Kuroki will play Tokiko who is married to a rich man from China and is admitted to Toutei University Hospital where Daimon works as a freelancer at. Due to a heart condition, Tokiko is deemed to be unable to carry on with her pregnancy as it will be life-threatening. However, Tokiko chooses to prioritise her baby's life over hers so Daimon tries to find a way which will allow Tokiko to live without having to sacrifice her child.
As there are scenes when Tokiko has to speak in Mandarin to her Chinese husband, the production crew decided to offer the role to Kuroki who spoke the language in the 2008 TV Asahi drama SP "Dansou no Reijin Kawashima Yoshiko no Shougai". Coincidentally, after the offer was made to Kuroki in late November, she announced her second pregnancy on 26 November. On Kuroki's part, as she has passed her first trimester and her condition is stable now, she agreed to the offer.
Kuroki commented that it was easy for her to get immersed in her character as she is a mother and also pregnant now. As such, she can understand why Tokiko has made the choice to choose her baby's life over hers. She hopes that she will be able to convey Tokiko's strength and resolve through her acting in this episode. As for the filming process, she related that she was nervous about joining the cast at such a late stage of the drama but everyone was very welcoming of her and put her at ease.
Sources: Nikkansports / Sanspo / Oricon