Yuki (Kinomi Nana), a veteran security guard who witnessed the "mature divorce" of a classmate in junior high school who reunited for the first time in a long time. She always thought that divorce was unrelated to her husband, Toru (Kadono Takuzo), but when she learned about her husband's suspicious behavior, they were in danger of divorce. Yuki's anxiety is involved in the murder case again. (Source: TBS)