Kinami plays the role of Tamamura Yoriko who is the daughter of a company president and will appear in the first episode as the villa where the first murder case took place belongs to her father. She is a client of Kitami's detective agency where Takanori works at and Takanori gets invited to the party which Yoriko holds at the villa. Despite the shocking murder which happened, Yoriko is besotted with the nobleman (Aiba) who suddenly shows up at the villa to "investigate" the case.
When asked to comment how how she felt about working with Aiba for the first time, Kinami praised him for being very approachable and easy to work with. As for reuniting with Takei who played the lover of her husband in last summer's "Seiseisuru hodo, aishiteru", they are close friends in this drama so she expressed joy at being able to show her affection towards Takei's character through hugs and kisses on her cheek.